Renault 1997

77 11 194 271

JULY 1997

Edition Anglaise

"The repair methods given by the manufacturer in this document are based on the

technical specifications current when it was prepared.

The methods may be modified as a result of changes introduced by the

manufacturer in the production of the various component units and accessories

from which his vehicles are constructed."

All copyrights reserved by Renault.

Copying or translating, in part or in full, of this document or use of the service part

reference numbering system is forbidden without the prior written authority of

Renault.

Electrical equipment

BATTERY - HEADLIGHTS

REAR AND INTERIOR LIGHTING

INSTRUMENT PANEL

CONTROLS - SIGNALS

WIPERS

ELECTRICAL ASSISTANCE EQUIPMENT

WIRING

IMMOBILISER

FC0A - FC0C - FC0D - FC0E - KC0A - KC0C - KC0D - KC0E

EXPLODED VIEW

PRO80.1

81-1
81-2

Contents

BATTERIE PROJECTEURS

Battery
Special notes

Headlights
Lens units and indicators
Remote adjustment

80-1

80-3
80-4

ECLAIRAGE ARRIERE

Courtesy light
Fuses

Page

Electrical

Equipment

WIPERS

Front windscreen wiper
Rear screen wiper
Electric washer pump

85-1
85-3
85-4

Coded key immobiliser system

82-1

IMMOBILISER

Relay plate

87-1

ELECTRICAL ASSISTANCE EQUIPMENT

REAR AND INTERIOR LIGHTS

BATTERY - HEADLIGHTS

Dashboard
Instrument panel
Fuel level sensor
Oil level sensor
Coolant temperature sensor

83-1
83-6

83-10
83-12
83-13

INSTRUMENT PANEL

Windscreen wiper stalk
Lights stalk
Stalk mounting
Rotary switch under steering
wheel
Ignition switch

84-1
84-2
84-3

84-4
84-6

CONTROLS - SIGNALS

WIRING

Heated rear screen
Remote control for door locking
Airbags and seat belt pretensioners

88-1
88-3
88-8

BATTERY

Special notes

To remove the battery, slacken mounting (A).

It is vital :

• to ensure that there is no sulphation on the

terminals,

• to clean and grease the terminals if necessary,

• to check that the nuts are correctly tightened

on the terminals. Incorrect contact could cause
starting faults or charging faults which could
cause sparks, making the battery liable to
explode,

• to check the electrolyte level.

Batteries with sets of removable plugs:

• remove the cover by hand or by using a tool

(stiff spatula),

• check that the electrolyte level in all the cells is

well above the level of the separators,

• if necessary, use demineralised water to top up

the level.

Note: certain types of battery have translucent
bodies which allow the level of the electrolyte to
be seen.

Never add electrolyte or other products to the
battery.

A - CHECKING

Check and ensure that:

•

the battery tray and cover are not cracked or
split,

• the top of the battery is clean,

• the terminals are in good condition.

12422R

80-1

BATTERY

Special notes

B -

PRECAUTIONS

It should be remembered that a battery:

• contains sulphuric acid, which is a dangerous

product,

• produces oxygen and hydrogen during

charging. The mixture of these two gases
forms a detonating gas , hence the risk of an
explosion.

1) DANGER = ACID

The sulphuric acid solution is a highly aggressive,
toxic and corrosive product. It attacks skin,
clothing, concrete and corrodes most metals.

It is also very important, when handling a battery,
to take the following precautions:

• to protect your eyes with goggles,

• to wear anti-acid gloves and clothing.

If acid splashes on to your clothing, rinse all the
contaminated areas thoroughly in water. If your
eyes are affected, consult a doctor.

2) DANGER = RISK OF EXPLOSION

When a battery is charging (either in a vehicle or
elsewhere), oxygen and hydrogen are produced.
Gas production is at a maximum when the battery
is completely charged and the quantity of gas
produced is proportional to the intensity of the
charging current.

The oxygen and the hydrogen join together in the
open air, on the surface of the plates and form a
highly explosive mixture.

The smallest of sparks, a cigarette or a recently
extinguished match are sufficient to cause an
explosion. The explosion is so strong that the
battery can shatter and the acid is dispersed into
the surrounding atmosphere. People nearby are
at risk (shattered casing parts, acid splashes). The
acid splashes are harmful to the eyes, face and
hands. They also attack clothing.

Safeguarding against the danger of explosion,
which can be caused by a poorly handled battery,
must be taken very seriously. Avoid all risks of
sparks.

• Check that the "consumers" are switched off,

before disconnecting or reconnecting a
battery.

• When a battery is being charged in a room,

switch off the charger before connecting or
disconnecting the battery.

• Do not put any metallic items onto the battery

so as not to cause a short circuit across the
terminals.

• Never place a naked flame, a welding torch,

hot air gun, a cigarette or a lighted match near
to a battery.

80-2

HEADLIGHTS

Lens units and indicators

NOTE : The lens unit and indicators cannot be se-
parated.

REMOVAL - REFITTING

Disconnect:
- the battery,
- the connectors for the bulbs in the lens unit

and the indicator and for the remote
adjustment unit.

Remove the upper bolt (A).

Remove:
- the two bolts (D) from the bumper and the

three mounting bolts for the mudguard to al-
low the bumper to be partially removed,

- mounting bolt (C) and bolt (B) to remove the

lens unit.

A D J U S T M E N T

Ensure that the vehicle is unladen, then adjust the
height using bolt (G) and the direction using bolt
(F).

13055R

The headlight is refitted in the reverse manner to
removal.

13057R

80-3

HEADLIGHTS

Remote adjustment

13056S

REMOVING - REFITTING OF THE CONTROL

Remove the coin tray or the switch mounting de-
pending on version and, passing your hand inside
the dashboard, unclip the control and push it out-
wards.

C O N N E C T I O N

Refer to the Technical Note "Wiring diagrams".

REMOVING - REFITTING THE RECEIVER

Disconnect the remote adjustment receiver
connector.

Turn the receiver an eighth of a turn towards the
centre of the vehicle to release the lens unit.

Then release the ball joint of the receiver and the
lens unit parabola to remove the receiver.

SPECIAL NOTES FOR REFITTING

Remove the bulb connector protective cover at
the rear of the lens unit.

Keep the parabola towards the rear of the lens
unit by pulling on the base of the bulb and click
the ball joint into position.

Now refit the receiver to the lens unit by turning it
an eighth of a turn.

Reconnect the connector and refit the protective
bulb cover at the rear of the lens unit.

Set the remote adjustment control to "0" and ad-
just the headlight:
- bolt (G) for height adjustment,
- bolt (F) for direction adjustment.

13057R1

80-4

REAR AND INTERIOR LIGHTS

Courtesy light

REMOVING - REFITTING THE COURTESY LIGHT

Remove the light diffuser using a screwdriver to
lever it out at the two points (A).

NOTE :

The map reading light diffuser (depending

on equipment) is removed in the same way.

13073R

Remove the two courtesy light console mounting
bolts (B).

13072R

SPECIAL NOTES FOR REFITTING

When refitting the mounting (D), check that the
switch (E) is positioned to the right (see above) so
the contacts are not damaged on refitting.

Release the assembly towards the front and dis-
connect the connector.

REMOVING - REFITTING THE MOUNTING (D)

After removing the bulb, remove bolt (C) and un-
clip the mounting (D).

13074R

81-1

REAR AND INTERIOR LIGHTS

Fuses

FUSE BOX (passenger compartment)

This unit is located in the passenger compartment on the driver’s side.

Allocation of fuses (depending on equipment level).

Symbol

Rating

Description

Instrument panel / Electric rear view mirrors/ Radio / Car phone

Courtesy light / Immobiliser

Consumer cut-out

Towing connection

Heated rear screen

Central door locking / Immobiliser

Front fog lights

Rear screen wash - wipe/

Reversing lights /

Heated rear screen / Immobiliser

/ Lights on reminder buzzer

Front wash - wipe

Stop lights/ Instrument panel/ Airbag / Pretensioners

Anti-lock braking system (ABS)

Left hand electric window

Right hand electric window

Heated seats

Air conditioning

Radio / Cigar lighter / Car phone

Heating

81-2

Symbol

Rating

Description

7.5

Left hand main beam headlight/ Instrument panel

Right hand main beam headlight

Left hand dipped headlight

Right hand dipped headlight

Left hand side light/

Instrument panel /

Controls lighting /

Radio

Heating Control Panel

Right hand side light/ Controls lighting

Rear fog light

Horn

Flasher unit

Heated rear view mirrors

REAR AND INTERIOR LIGHTS

Fuses

NOTE :

To determine the exact position of the fuses, refer to the vehicle fuse box label or the Technical Note

"Wiring Diagrams".

Allocation of fuses (depending on equipment level). (cont)

81-3

REAR AND INTERIOR LIGHTS

Fuses

FUSE BOX (engine compartment)

12840S

Rating

D7F

F8Q

E7J

30A

Injection (238-279)

Injection (236)

30A

Fan assembly

(234)

Fan assembly

(234)

15A

Injection (238)

Injection (120)

15A

Engine functions

(238-250-450-927)

15A

Fan assembly / ignition

(234-778)

Injection / ignition

(236-250-663-664)

70A

Preheating unit

50A

Engine functions

(234-450-700)

60A

Dashboard (209-713)

60A

Dashboard (104-209)

60A

Electric windows / AC fan

Electric windows

Electric windows / AC fan

60A

ABS

81-4

IMMOBILISER

Coded key immobiliser system

GENERAL

The immobiliser is controlled by a key recognition
system (known as coded key immobiliser system).

An independently operating coded chip without a
battery is integrated into each head of the vehicle
keys.

When the ignition is switched on, an antenna ring
around the ignition switch interrogates and cap-
tures the code from the head of the key and trans-
mits it to the decoder unit.

If the decoder unit recognises the code, the vehi-
cle will be permitted to be started.

The immobiliser is activated a few seconds after
the key is withdrawn from the ignition and this is
shown by the flashing of the red immobiliser war-
ning light on the instrument panel.

If there is a fault in the key recognition system, a
security code may be entered using the XR25 only.

This code may be communicated to the repair
agent (on his request) by the local assistance net-
work (depending on country, for example: Delta
Assistance on 0800.05.15.15 for France, NVSR for
the UK by fax only).

IMPORTANT:

The repair agent must inform the

customer that the immobiliser system will reset it-
self automatically 10 minutes after switching the
ignition off.

N O T E S

This system may be fitted to petrol or diesel vehi-
cles.

Petrol vehicles

: the immobiliser function is carried

out by the injection computer.

Diesel vehicles

: the immobiliser function is carried

out by the coded solenoid valve (on the injection
pump).

If the vehicle is fitted with a remote control for
door locking, a single decoder unit carries out
both functions (immobiliser and remote control).
The remote control has no effect on the immobili-
ser system (see section 88).

On these vehicles, the identification number of
the key heads contains eight alphanumeric cha-
racters, beginning with the letter E or A.

82-1

IMMOBILISER

Coded key immobiliser system

DESCRIPTION

With this system the engine immobiliser is activa-
ted 10 seconds after switching off the ignition
(shown by the flashing of the red engine immobi-
liser warning light).

The system comprises:
• two key heads fitted with either:

- a single coded chip for controlling the immo-

biliser (A),

Opening a key head

Place the key head on a table with the metal in-
sert facing downwards.

Use a small screwdriver as a lever as shown below,
ensuring that the end of the screwdriver is placed
on the lower section (E) of the key head. This al-
lows the upper section to slide off the lower sec-
tion.

13078R

- a coded chip (A) for controlling the immo-

biliser and the electronic unit for the re-
mote control (B) allowing the opening
elements to be locked or unlocked (de-
pending on equipment).

13076R

13077R

NOTE :

To remove the metal insert, move the re-

taining tab aside before removing it. When refit-
ting, check the insert is correctly clipped into posi-
tion.

82-2

IMMOBILISER

Coded key immobiliser system

• An antenna ring (C) around the ignition

switch, with an electronic unit which transmits
the key code to the decoder unit (D).

NOTE :

This antenna ring is not coded.

Removal - Refitting

Remove the half cowlings from under the steering
wheel, release the antenna ring from the ignition
switch and disconnect its connector.

13067R

• A decoder unit (D) in the dashboard on the left

hand side.

This has the following functions:
- decoding of the key signal from the antenna

ring,

- management of the engine immobiliser
system by the sending of a code to the injection
computer (petrol) or coded solenoid valve
(diesel) to authorise the vehicle to be started
- operation of the red immobiliser warning light,
- locking and unlocking of the opening elements

(depending on version),

- timed illumination of the courtesy light (vehicle

fitted with a door locking remote control).

12967R1

82-3

IMMOBILISER

Coded key immobiliser system

Removal - Refitting

The dashboard must be partially removed to re-
move the decoder unit.

Remove:
- the steering wheel with the wheels straight,
- the half cowlings under the steering wheel,
- the knee protector under the steering column,
- the lights and wiper controls,
- the instrument panel surround,
- the instrument panel,
- the ashtray, its mounting and the two dash-

board mounting bolts on the heating unit,

- the trim at the bottom of the dashboard on the

driver’s side,

- the two speaker grilles on the dashboard,
- the dashboard mountings.

13065R1

Move the dashboard as far back as possible, dis-
connect the decoder unit and remove the two
mounting bolts (B) using a small ratchet fitted
with a Torx 20 socket.

•

A red immobiliser warning light on the instru-
ment panel used to :
- indicate activation of the engine immobiliser

system,

- signal a fault in the system for vehicles with a

coded solenoid valve (diesel) or non-
recognition of the key,

- signal entry into the door locking remote

control resynchronisation mode (depending
on equipment).

• An injection warning light (petrol vehicle)

which indicates a fault in the:
- injection,
- engine immobiliser system when the engine

is running (flashes during deceleration and
at idle speed).

82-4

IMMOBILISER

Coded key immobiliser system

OPERATION

When the immobiliser system is activated (ap-
proximately 10 seconds after cutting + after igni-
tion feed), the red immobiliser warning light
flashes (slow flashing; 1 flash / second).

After switching the ignition on, the antenna ring
analyses the code from the key and transmits it to
the decoder unit.

If the code is not recognised by the decoder unit,
the injection warning light (petrol) illuminates for
a few seconds and extinguishes while the red im-
mobiliser warning light flashes (rapid flashing).

If the code is recognised by the decoder unit, it
sends a code to the injection computer (petrol) or
coded solenoid valve (diesel) via the coded line
and extinguishes the red immobiliser warning
light (after approximately 3 seconds).

At this precise moment, one of several situations
may arise:

- The injection computer (petrol) or coded sole-

noid valve (diesel) has no reference code in its
memory :
• the code sent to it is stored in its memory.

- The injection computer (petrol) or the coded
solenoid valve (diesel) has a reference code in
its memory:

• the code sent to it is compared with the code

in its memory,

• if the two codes match, the computer un-

locks the injection system (petrol) or coded
solenoid valve (diesel) and the engine may
be started.

When the ignition is switched on, the injec-
tion warning light (petrol) and the immobili-
ser warning light illuminate for 3 seconds then
extinguish, showing that the system is opera-
ting correctly.

• if the two codes do not match, the system re-

mains locked to prevent the engine from
being started.

When the ignition is switched on, the injec-
tion warning light flashes (petrol) and the red
engine immobiliser warning light illuminates
permanently then extinguishes or the red im-
mobiliser warning light remains illuminated
permanently (diesel) indicating that the co-
ded solenoid valve has not recognised the
code.The vehicle may not be started.

NOTE :

to ensure the system operates correctly, no

objects (eg. : keyrings) should be allowed to come
between the key and the antenna ring.

IMPORTANT:

when the vehicle battery has a low

charge, the drop in voltage caused by operating
the starter may set the immobiliser. If the voltage
is too low, the engine cannot be started, even by
pushing the vehicle.

82-5

IMMOBILISER

Coded key immobiliser system

REPLACING A KEY HEAD

The coded chip in the key head or the remote
control (depending on equipment) is faulty :
- order a replacement key head using the num-

ber in the faulty key head (eight alphanumeric
characters beginning with the letter E or A). If
the key head is from a remote control type key,
carry out a resynchronisation operation.

IMPORTANT:

The resynchronisation procedure

differs depending on if the decoder unit has
been replaced or not (see specific or simple re-
synchronisation procedure in section 88).

- if the customer requires the fault to be repaired

immediately (2nd key unavailable) a complete
kit may be fitted to the vehicle (decoder unit
plus two key heads) (see replacing a complete
kit).

The key has been lost:
- order a replacement key head using the num-

ber in the key head of the 2nd key (eight alpha-
numeric characters beginning with the letter E
or A) or on the label (normally attached to the
keys when the vehicle is delivered).

In this case, remember to order the metal
number insert for the new key head. If the key
head is from a remote control type key, carry
out a resynchronisation operation.

IMPORTANT:

The resynchronisation procedure

differs depending on if the decoder unit has
been replaced or not (see specific or simple re-
synchronisation procedure in section 88).

IMPORTANT:

Do not touch the key head chip

when taking note of the number in the key head.
Any key which has been touched must be repla-
ced.

NOTE:

if the key head number cannot be located

(both keys lost together with the label), the
complete kit must be replaced (decoder unit, plus
2 transponder keys, plus injection computer or co-
ded solenoid valve electronic unit).

REPLACING THE DECODER UNIT ALONE

A new decoder unit is not coded. Once fitted to
the vehicle, the codes of both keys must be pro-
grammed so that it is operational (see program-
ming procedure).

NOTE :

if the decoder unit alone is replaced, no

operation is carried out on the injection computer
or coded solenoid valve. It retains the same en-
gine immobiliser code.

IMPORTANT:

when a decoder unit has been pro-

grammed with the key code, the code cannot be
erased and no other code may be memorised in its
place.

SPECIAL NOTES

Diesel vehicles

On these vehicles, the decoder unit is identical to
the decoder unit of a petrol immobiliser system.
When replacing it the new "diesel" part must be
configured by means of the XR25 test kit.
This configuration will enable the decoder unit to
check that the coded solenoid valve is operating
correctly (indicated by the immobiliser warning
light) (see diesel configuration).

Vehicles fitted with a remote control

After replacing the decoder unit carry out a resyn-
chronisation operation (see simple resynchronisa-
tion procedure, section 88).

82-6

Check the immobiliser system operates cor-
rectly with both keys.

Ignition off, the red immobiliser warning light
should flash 10 seconds after switching the
ignition off (slow flashing). Bargraph

10 LH

should be illuminated. The vehicle should not
start when other keys are used.

NOTE :

to simulate prevention from starting,

before switching the ignition on, wait for the
red warning light to flash slowly.

Enter on
the XR25, ignition still off (bargraph

9 LH

illu-

minates).
Switch the ignition on, the red immobiliser
warning light should flash more quickly and
the vehicle should be impossible to start.

The procedure is complete. After switching
the ignition off and on again (for more than 2
seconds), check that the vehicle can be started
with both keys.

Diesel configuration

On diesel vehicles the decoder unit must be confi-
gured in "diesel" using the XR25.

Ignition off, XR25 connected (ISO selector on
S8

Enter code

(fiche n

56),

bargraph

1 RH

must be illuminated.

Enter programming mode

Bargraph

3 RH

must illuminate.

The configuration is complete.

IMMOBILISER

Coded key immobiliser system

PROGRAMMING PROCEDURE

The procedure is carried out using one key.

The XR25 must be used for this procedure to lock
the key programming.

Ignition off, connect the XR25 to the vehicle
and set the selector to S8.

Enter code

(fiche n

56),

bargraphs 19 RH and 19 LH must be illumina-
ted (programming not carried out). If both of
these bargraphs are not illuminated, replace
the decoder unit (this unit has already been
used).

With one of the keys switch the ignition on
for approximately 2 seconds (without starting
the engine). Bargraph 18

illuminates and

bargraph

19 LH

extinguishes.

The red immobiliser warning light flashes.

Switch the ignition off and start command
G60*

to lock the programming. The red immo-

biliser warning light should flash (slow flas-
hing). Bargraphs 19 RH and 18 LH should be
extinguished.

Switch the ignition on for a few seconds (wi-
thout starting the engine) to send the code to
the injection computer or the coded solenoid
valve.

82-7

Connect the XR25, setting the ISO selector to
S8.

Enter code

Bargraphs

19 RH

and 19 LH must be illumina-

ted (programming not carried out).

ith one of the keys switch the ignition on

for approximately 2 seconds (without star-
ting the engine). Bargraph 18

illuminates

and bargraph

19 LH

extinguishes.

The red immobiliser warning light flashes rapi-
dly.

Switch the ignition off and start command
G60*

to lock the programming.

- the red immobiliser warning light should

flash (slow flashing)

- bargraphs 19 RH and 18 LH should be ex-

tinguished.

Switch the ignition on for a few seconds,
check that the red immobiliser warning light
is illuminated permanently (diesel) or that
the injection warning light is flashing (pe-
trol).

Switch the ignition on for more than 10
consecutive seconds.

10.

Switch the ignition off and wait for the red
immobiliser warning light to flash slowly.

Enter command

with the ignition still off (bargraph

9 LH

illu-

minates).

Switch the ignition on, the red immobiliser
warning light flashes more rapidly.

Follow the procedure for entering the securi-
ty code (see procedure for entering the secu-
rity code), using the code number correspon-
ding to the old kit. This erases the old code
memorised in the injection computer or the
coded solenoid valve.

IMMOBILISER

Coded key immobiliser system

REPLACING A KIT

(decoder unit plus two key heads)

If a kit is replaced it will be necessary to:
- programme the codes of the 2 new keys in the

new decoder unit (supplied uncoded).

- erase the old code in the injection computer or

coded solenoid valve using the security proce-
dure (the code number for the old kit should be
requested from the local assistance network,
example Delta Assistance for France, NVSR for
the UK by fax only)

IMPORTANT :

to erase the old code (memorised in

the injection computer or coded solenoid valve
electronic unit), the procedure described below
must

be followed in the correct order.

The code in the injection computer or coded sole-
noid valve cannot be erased with the security code
(using the number for the old kit) unless the deco-
der unit fitted to the vehicle has been program-
med with a different code (which is the case in the
following procedure).

NOTE :

if the security code is entered when the

decoder unit has the same code as the injection
computer, or coded solenoid valve, it will not be
decoded.

Fit the metal inserts from the old keys into
the new key heads.

Note the number of one of the old keys to
obtain the security code number.

Remove the decoder unit with the ignition
off.

Fit the new decoder unit, ignition off.

82-8

11.

Switch the ignition off and on again for a few
seconds without starting the engine to pro-
gramme the immobiliser code for the new kit
in the injection computer or coded solenoid
valve. The red warning light should illuminate
for 3 seconds then extinguish.

For diesel :
Ignition off, configure the decoder unit to
"diesel" (see diesel configuration using command

)

Bargraph

3 RH

should illuminate; the configura-

tion is complete.

N O T E

- petrol vehicles:

Using the XR25, check the in-

jection computer has been programmed with
the code. Bargraph

2 RH

(immobiliser) should

be extinguished.

After entering

the display should show

The injection computer has been correctly co-
ded.

If the display shows

the injection computer is still uncoded.

- diesel vehicles:

When the ignition is switched

on, check the immobiliser warning light extin-
guishes after 3 seconds.

IMMOBILISER

Coded key immobiliser system

NOTE:

On petrol vehicles use the XR25 to check

that the injection computer has been correctly de-
coded (in injection fault finding).

Connect the XR25 to the diagnostic socket , posi-
tion the ISO selector and enter the injection code :
bargraph 2 RH side (immobiliser) should be illumi-
nated.

After entering

the message

should appear on the display on the XR25. The
erasure is complete.

- If the display shows

there is a fault on the coded line. In this case,
repair the fault and start the procedure again.

- If bargraph 2 RH side (immobiliser ) is extinguis-

hed,

and the display shows

(*22),

this shows that the injection computer code has
not been erased. In this case check the confor-
mity of the security code and repeat the proce-
dure.

82-9

REPLACING THE INJECTION COMPUTER OR
CODED SOLENOID VALVE

The injection computer and coded solenoid valve
are supplied uncoded. The engine immobiliser
code must be programmed in when they are fit-
ted.

It is sufficient to carry out the following opera-
tions:
- switch the ignition on, without starting the en-

gine, using the vehicle’s coded key for a few
seconds,

- switch the ignition off, the immobiliser will be

activated approximately 10 seconds afterwards
(red immobiliser warning light flashes).

NOTE :

starting prevention can be checked

using the XR25:

- Ignition off, wait for the warning light to

flash (slow flashing)

Enter

ignition still off (bargraph

9 LH

illuminates).

- Switch the ignition on, the red immobiliser

warning light should flash more quickly and
the vehicle should be impossible to start.

NOTE :

For removal - refitting information, refer

to the corresponding section (13 or 17).

IMMOBILISER

Coded key immobiliser system

12.

Check the immobiliser system operates cor-
rectly with both keys.
Switch the ignition on and check that the red
warning light illuminates for 3 seconds then
extinguishes and that the vehicle can be star-
ted.

NOTE :

starting prevention can be checked

using the XR25:

- Ignition off, wait for the warning light to

flash (slow flashing)

Enter

- Switch the ignition on and check the vehi-

cle cannot be started and that the red war-
ning light flashes (rapid flashing).

13.

The procedure is complete. After turning the
ignition off and on again (for more than 2 se-
conds), check the vehicle can be started and
erase all faults present in the decoder unit.

Vehicles fitted with a remote control

After replacing the kit carry out a resynchronisa-
tion operation (see simple resynchronisation pro-
cedure, section 88).

82-10

IMPORTANT:

if an uncoded injection computer or

solenoid valve is being tested from stock (test
part), the decoder unit

MUST NOT

be supplied du-

ring the operation.

If the decoder unit is supplied, switching the igni-
tion on causes a coded signal to be sent from the
decoder unit to the injection computer or coded
solenoid valve (and the code is then program-
med).

To avoid memorising a code which could make
the injection computer or coded solenoid valve
electronic unit unusable after the test, the fuse
(+ before ignition feed) for the decoder unit
must be removed (fuse showing the door locking
symbol). This prevents the coded signal being sent
when the ignition is switched on (the computer or
the coded solenoid valve electronic unit remains
uncoded).

For petrol vehicles, the computer used for the test

MUST

have the same Part Number as the original

computer on the vehicle (test computer may be
damaged).

Checkin

g (on petrol vehicle only)

If the test computer is to be returned to stock, it is
possible (before it is removed) to check using the
XR25 that the computer has not been coded du-
ring the test (example : incorrect operation).

Connect the XR25 to the diagnostic socket.
Position the ISO selector and enter the injection
code: bargraph

2 RH

(immobiliser) should be illu-

minated.

After entering

the message

should be displayed on the XR25.

This shows that the injection computer is not co-
ded and may be returned to stock.

If bargraph

2 RH

(immobiliser) is extinguished and

after entering

the message

is displayed on the XR25, this shows that the
computer has been programmed with the immo-
biliser code (incorrect operation). In this case the
computer must be decoded before being returned
to stock.

The procedure for decoding consists of replacing
the decoder unit on the vehicle with another de-
coder unit with a different code (with its key
head) and entering the security code for the vehi-
cle (security code number should be requested
from the local assistance network, example

DELTA

Assistance

for France, NVSR for the UK by fax on-

ly) using the number in the head of the key for the
vehicle.

Ignition off, fit in place of the original decoder
unit on the vehicle, a decoder unit coded with a
different number (the procedure will not work
with an uncoded decoder unit or one which has
the same code as the injection computer).

IMMOBILISER

Coded key immobiliser system

SPECIAL NOTES FOR TESTING AN INJECTION
COMPUTER OR A CODED SOLENOID VALVE (test

part)

82-11

NOTE

: this fault may be shown by the XR25 (in

injection fault finding).

Connect the XR25 and enter the injection code.

The fault is shown by bargraph 2 RH side.

After entering

the message

on the XR25 display indicates a fault on the coded
line.

Diesel vehicle

If a system fault is detected by the decoder unit
when the engine is running, the red immobiliser
warning light will illuminate permanently until
the ignition is switched off.

IMPORTANT:

In this case, after repair, the fault

memorised in the decoder unit must be erased by
entering command

on the XR25 to allow the engine immobiliser sys-
tem to operate again.

NOTE:

this fault may be shown by the XR25 using

fault finding for the decoder unit (fiche no. 56).

Connect the XR25.

Set the ISO selector to S8.

Enter code

The fault may be shown by bargraph

6 RH or LH

side.

Switch the ignition on, the red engine immobiliser
warning light will flash (rapid flashing).

Enter the vehicle security code (number corre-
sponding to the original key number).

After entering the security code, the red warning
light will flash again.

The XR25 display should show

(in injection fault finding). This indicates that the
injection computer has been decoded.

Switch the ignition off, remove the decoded
computer and return it to stock.

Refit the computer and decoder unit to the vehi-
cle.

NOTE :

When testing the injection using the XR25

on a vehicle without an immobiliser, bargraph 2
RH side

will illuminate (*22 = 2 def = computer

not coded). This is normal.

SYSTEM FAULT, ENGINE RUNNING

Petrol vehicle

If a fault in the system is noted by the injection
computer when the engine is running, the injec-
tion warning light on the instrument panel will
flash during deceleration and at idle speed (en-
gine speed less than 1500 rpm).

IMPORTANT:

In this case, after repair, the fault

memorised in the injection computer and the de-
coder unit must be erased by entering command

on the XR25 or by disconnecting the battery (ap-
proximately 30 seconds) to allow the engine im-
mobiliser system to operate again.

IMMOBILISER

Coded key immobiliser system

82-12

Enter mode

on the XR25 then the security code number

and validate using

- If the code is correct

is displayed.

Bargraph 10 LH extinguishes.
The engine may be started.

The vehicle is protected once more :
• approximately 10 minutes after switching

the ignition off (automatically),

• after disconnecting the battery.

- If the code is incorrect

is displayed.

Bargraph 10 LH remains illuminated.
The engine may not be started.
The red immobiliser warning light and the in-
jection warning light (depending on version)
flash.
Switch the ignition off, then repeat the proce-
dure for entering the code.

I M P O R T A N T

: you may make 3 attempts to enter

the code. If, after the third attempt, the code is in-
valid, you must wait for approximately 15 mi-
nutes before making another attempt.
When this period has expired, switch the ignition
off and on again and 3 more attempts may be
made.

NOTE

: This procedure does not decode the injec-

tion computer or coded solenoid valve (depen-
ding on the type of engine)- it only authorises the
starting of the vehicle.

REMINDER :

The ignition must be switched off

and on again between attempts to enter the
code.

IMMOBILISER

Coded key immobiliser system

PROCEDURE FOR ENTERING THE SECURITY CODE

With this immobiliser system, the procedure for
entering the security code is managed by the de-
coder unit.

The code is entered using the XR25 only.

The security code can only be entered if the en-
gine immobiliser system is active. The red immobi-
liser warning light must flash when the ignition is
switched on (rapid flashing).

After determining the security code number (re-
quest from the local assistance network, example

DELTA Assistance

for France, NVSR for the UK by

fax only) , carry out the following operations:

Ignition off, the red engine immobiliser war-
ning light should flash (slow flashing).

Switch the ignition on, the injection warning
light (petrol vehicle) illuminates for approxi-
mately 3 seconds then extinguishes, while the
red immobiliser warning light should flash
more quickly.

Connect the XR25 to the vehicle and set the
ISO selector on S8.

Enter code

Bargraph 10 LH should be illuminated (fault
finding fiche n

56).

82-13

IMMOBILISER

Coded key immobiliser system

13063R

Track

Allocation

Courtesy light timer*

Antenna ring coded connection

Diagnostic socket information (line K)

Diagnostic socket information (line L)

Red immobiliser warning light

Coded information to injection computer
or coded solenoid valve

+ after ignition

Earth

+ before ignition

Infrared input*

Door lock command*

Not used

Door switch*

Door open command*

Not used

Door open*

Door lock*

DECODER UNIT CONNECTIONS (fullest version)

* Vehicle with remote control

82-14

IMMOBILISER

Coded key immobiliser system

PRO12827

DIAGRAM (vehicle with remote control)

82-15

IMMOBILISER

Coded key immobiliser system

KEY

104

Ignition switch

120

Injection computer

123

Door locking button

138

Rear right door locking motor

140

Driver’s door locking motor

141

Passenger’s door locking motor

142

Luggage compartment door locking motor

154

Luggage compartment door switch

178

Rear right door switch

180

Driver’s door switch

181

Passenger’s door switch

213

Courtesy light

225

Diagnostic socket

247

Injection warning light and red immobiliser
warning light on instrument panel

249

Remote control receiver

260

Passenger compartment fuse box

503

Decoder unit

711

Coded solenoid valve

FAULT FINDING

If this immobiliser system is faulty, fault finding
may be carried out using the XR25.

C O N N E C T I O N

Use cassette no

17 and the corresponding fault

finding fiche no

56.

92656S2

Connect the XR25 to the diagnostic socket.

Position the ISO selector on S8.

Enter the code for the immobiliser system D56.

NOTE :

For information on the interpretation of

the bargraphs, the fault charts, checking confor-
mity and additional tests, refer to the fault fin-
ding section.

82-16

INSTRUMENT PANEL

Dashboard

REMOVAL

Disconnect the battery.

Removing the steering wheel (with AIRBAG)

PRB5702

12973S

Remove the two airbag cushion bolts behind the
steering wheel.

Disconnect the connectors (airbag, horn).

Remove:
- the airbag cushion,
- the steering wheel bolt (renew it on refitting,

pre-bonded bolt, tightening torque: 4.5
daN.m

- the steering wheel after setting the wheels

straight.

Removing the steering wheel (without AIRBAG)

Remove:
- the central cushion,
- the steering wheel bolt (renew it on refitting,

pre-bonded bolt, tightening torque: 4.5
daN.m

- the steering wheel after setting the wheels

straight.

83-1

INSTRUMENT PANEL

Dashboard

Remove:
- the half cowlings (three bolts),

- the instrument panel (four bolts),

- the instrument panel visor (six bolts) and the

dashboard visor (two bolts),

Disconnect the connectors.

12970-1R

12969-1R

12971R

12968S

83-2

INSTRUMENT PANEL

Dashboard

Remove:
- the lower protector (four bolts),

- the lower section of the dashboard (four bolts,

two clips),

Special notes for vehicles with airbag

Before removing the assembly, the position of the
rotary switch under the steering wheel must be
noted:
- by ensuring that the wheels are straight on re-

moval so that the strip may be positioned in the
centre,

- by immobilising the rotary switch rotor using

adhesive tape.

Slacken the bolt then sharply tap the screwdriver
to release the cone.

Disconnect the connectors.

12967-1R

12966R

12971-1R

83-3

INSTRUMENT PANEL

Dashboard

- the fuse boards (five bolts).

Unclip the diagnostic socket.

Remove:
- the heating control unit (two bolts),

Remove:
- the steering column mountings (two bolts, two

nuts),

- the ashtray and its mounting (two bolts).

Disconnect the connectors.

12963R1

12965-1R

12963R

12965-1R1

83-4

INSTRUMENT PANEL

Dashboard

- the loud speaker grilles,
- the dashboard mountings.

Gently pull the dashboard.

Release the wiring retaining clips.

Disconnect:
- the headlight remote adjustment control

connector and hazard warning light connector,

- the remaining connectors (example : decoder

unit).

Remove the dashboard.

REFITTING

When refitting, it is important to ensure the va-
rious wires are correctly routed and have suffi-
cient space so that the dashboard can be correctly
centred.

SPECIAL NOTES FOR REFITTING THE STEERING
WHEEL WITH AIRBAG

Ensure the rotary switch under the steering wheel
is correctly positioned.

If there is any doubt that this switch is correctly
centred follow the method for centring described
in section 88 "driver’s airbag".

Renew the steering wheel bolt each time it is re-
moved

(pre-bonded bolt) for a steering wheel

with airbag.
Observe the correct tightening torque (4.5
daN.m

IMPORTANT

Before reconnecting the driver’s airbag cushion,
check to see if the system is operating correctly as
follows:

•

check the airbag warning light on the
instrument panel is illuminated when the
ignition is on,

•

connect a dummy ignition module to the
driver’s airbag connector and check that the
warning light extinguishes,

•

switch the ignition off, connect the airbag
cushion in place of the dummy ignition module
and secure the cushion to the steering wheel,

•

switch the ignition on. Check the warning light
illuminates for three seconds when the ignition
is switched on then extinguishes and remains
extinguished.

If the warning light does not operate exactly as
described above, refer to the fault finding section
and test the system using the XRBAG (Elé. 1288)
(see section 88)

12964R

83-5

INSTRUMENT PANEL

Instrument panel

REMOVAL - REFITTING

Disconnect the battery.

Remove:
- the two bolts (A) and remove the upper half

cowling,

- the four bolts (B) and the two bolts (C).

Remove the dashboard visor.

12971R1

REPAIR

The instrument panel MAY NOT be opened.

If it is faulty, it must be renewed.

Remove the four bolts (D) and remove the instru-
ment panel.

12969R

NOTE :

only the glass may be replaced.

SPECIAL NOTES FOR REFITTING

Before reconnecting the instrument panel, check
the condition of the connectors and their wiring.

Ensure the connectors are correctly connected.

Check the information given by the instrument
panel is correct.

83-6

INSTRUMENT PANEL

Instrument panel

DESCRIPTION

- electronic speedometer,
- display : mileometer/trip recorder and clock
- coolant temperature gauge,
- fuel gauge,
- warning light functions.

13054S

Trip mileometer reset button and clock reset (rotate).

NOTE :

• Under normal operating conditions, the oil level is only measured if the ignition has been switched off for

over one minute; otherwise the old oil level value is re-displayed.

If a fault is detected, however, an oil level measurement is made each time the ignition is switched on to
check if the fault is persisting.

• It is normal to find that the oil level is not always the same:

- parking on a slope,
- too short a wait after running the engine for a short moment (especially when the oil is cold), ...

83-7

INSTRUMENT PANEL

Instrument panel

13066S

CONNECTION (fullest version)

Connector C (clear)

Track

Allocation

Left hand indicator tell-tale

Dipped headlight tell-tale

Main beam headlight tell-tale

Catalytic converter fault warning light

Preheating warning light

Airbag warning light

Opening element warning light

+ lighting

Coolant temperature gauge

Not used

Connector M (brown)

Track

Allocation

Fuel gauge earth

Fuel gauge

+ before ignition

Not used

Electronic fault warning light

OBD warning light (Not used)

AT warning light

Not used

+ after ignition

83-8

INSTRUMENT PANEL

Instrument panel

Connector N (black)

Track

Allocation

Not used

Brake pad wear warning light

ABS warning light

Handbrake / brake info warning light

(NIVOCODE)

Immobiliser warning light

Not used

Speed signal

Oil level sensor

Oil level sensor earth

Connector G (grey)

Track

Allocation

Earth

Not used

Low fuel level warning light

Coolant temperature warning light

Oil pressure warning light

Battery charge warning light

Rear fog light tell-tale

Front fog lights tell-tale

Right hand indicator tell-tale

83-9

Mot. 1264

Mot. 1264-01

Mot. 1265

Mot. 1265-01

Wrench for removing sender unit nut

Pliers for removing quick-release unions

INSTRUMENT PANEL

Fuel level sensor

97163R6

Disconnect the battery.

Lift the rear bench seat (depending on
equipment).

Remove the pump and sender unit steel cover.

Disconnect the electrical connector (1).

Release the clips (2).

Then disconnect the fuel supply pipe (3) (green
marking on the quick-release union) and the fuel
return pipe (4) (red marking on the quick-release
union) using the special pliers Mot. 1265 or Mot.
1265-01.

IMPORTANT:

When the pipes are removed, fuel

may be splashed out due to the residual pressure
in the pipes. Take appropriate precautions.

IMPORTANT :

During any operation on the fuel level sensor
you must observe the following precautions:

- Do not smoke.

- Keep all flames or incandescent objects away

from the working area.

REMOVAL OF THE PUMP - SENDER ASSEMBLY

The pump and sender unit assembly may be
removed through the inspection cover under the
rear bench seat and the fuel tank does not have to
be removed.

96420R2

SPECIAL TOOLING REQUIRED

TIGHTENING TORQUES (in daN.m)

Sender unit nut

83-10

INSTRUMENT PANEL

Fuel level sensor

97163R7

Tighten the mounting nut on the fuel and sender
unit assembly to a torque of 3.5 daN.m using the
tool Mot. 1264-01, holding the sender unit to pre-
vent it from rotating.

Make sure that the connector is firmly locked and
that the quick-release unions are securely clipped
on (with 2 O-ring seals)

Reconnect the battery.

C O N N E C T I O N

Disconnect the connector and the pipes on the
sender unit side.

Remove the mounting nut (5) of the pump and
sender unit using tool Mot. 1264-01.

Slacken the nut, remove the tool, unscrew the nut
by hand and remove it.

Remove the pump and sender unit assembly.

NOTE :

If several hours may pass between

removing and refitting the pump and sender unit
assembly, refit the nut to the fuel tank to prevent
it from distorting.

REFITTING OF THE PUMP AND SENDER UNIT
ASSEMBLY

Special notes

Check that the seal is in good condition and re-
place it if necessary.

Fit the seal on the fuel tank first before fitting the
assembly.
Refit the pump and sender unit assembly in the
fuel tank by aligning it so that the indexing arrow
(F) is positioned in line with the longitudinal axis
of the vehicle, pointing towards the rear of the
vehicle.

DI8307

Track

Allocation

Earth

Low fuel level warning light

Sender unit information to instrument
panel

Not used

+ pump

- pump

Checking

Indication

Value between

terminals

A1 and B1 (in

Ω

)

4/4

7 maximum

3/4

54.5

1/2

1/4

155

Low fuel

300

97162S

83-11

INSTRUMENT PANEL

Oil level sensor

98898R1

OPERATION

The sensor consists of a wire with a high
coefficient of resistance. When a current passes
through the wire it does not have the same
thermal conductivity when it is immersed in a
liquid as when it is in the open air.

After a fixed time a voltage difference is obtained
at the sensor terminals depending on the depth of
immersion of the wire. This voltage difference is
recorded by the electronic unit which manages
the level display function and also controls the
"low oil level" warning light display on the
central liquid crystal display.

When the ignition is switched on, the central dis-
play shows the oil level in a series of "blocks" for
approximately 30 seconds, before returning to
displaying the trip mileometer and total mileome-
ter functions (or "odometer" function).

NOTE :

Turning the trip mileometer reset button

before the end of the timed period will display
the "odometer" function.

LOOKING FOR FAULTS

If a short circuit or an open circuit is detected
when the oil level is measured, the display will im-
mediately show the trip mileometer / clock dis-
plays.

CHECKING

The sensor resistance must be between 6 and 20
ohms

The sensor is deemed to be in short circuit for a va-
lue lower than 4 ohms.

The sensor is deemed to be in open circuit for a va-
lue higher than 22 ohms.

LOCATION

Example : F engine

83-12

INSTRUMENT PANEL

Coolant temperature sensor

F engine

12535R1

OPERATION

A thermistor transmits a variation in resistance to
a receiver, depending on the coolant
temperature, and a threshold overshoot switch
illuminates the warning light on the instrument
panel when the temperature reaches 118

CHECKING

Connect an ohmmeter between track 1 (K and E
engines) or track 2 (F engine) on the sensor and
vehicle earth.

Correct value : 160 to 1 250

Ω

LOCATION

D engine

E engine

98711R4

11634R3

1 Warning light sensor
2 Gauge sensor

83-13

CONTROLS - SIGNALS

Windscreen wiper stalk

REMOVAL - REFITTING

Disconnect the battery.

Remove the two half cowlings under the steering
wheel.

Release the immobiliser antenna ring or the pla-
stic surround from the ignition switch.

Remove the two mounting bolts (A) for the wiper
stalk.

Release the stalk from its mounting and dis-
connect the connector.

C O N N E C T I O N

12970R

NOTE :

the steering wheel does not have to be re-

moved.

13061R

Track

Allocation

Front timer

Wiper high speed

Wiper low speed

Front washer pump

Not used

Intermittent slow speed

+ after ignition, front wiper

Rear washer pump

Rear timer

Not used

+ after ignition, rear wiper

Earth

Not used

84-1

CONTROLS - SIGNALS

Lights stalk

REMOVAL - REFITTING

Disconnect the battery.

Remove the two half cowlings under the steering
wheel.

Remove the two mounting bolts (B) for the lights
stalk.
Release the stalk from its mounting and dis-
connect the connector.

C O N N E C T I O N

12970R1

NOTE :

the steering wheel does not have to be re-

moved.

13062R

Track

Allocation

Front fog lights

Not used

Rear fog light

Horn

Right hand indicators

Central flasher unit

Left hand indicators

Side lights

+ before ignition, side lights

+ before ignition, dipped headlights

Not used

Dipped headlights

+ before ignition, main beam headlights

Main beam headlights

84-2

CONTROLS - SIGNALS

Stalk mounting

REMOVAL - REFITTING

Disconnect the battery and set the wheels
straight.

Remove the steering wheel and the two half cow-
lings (for vehicles with an airbag, refer to the re-
moval of the rotary switch on the following page
or section 88 for special notes on removing the
steering wheel).

Special notes for vehicles with an airbag

Before removing the assembly, the position of the
rotary switch under the steering wheel must be
noted:
- by ensuring that the wheels are straight on re-

moval so that the strip may be positioned in the
centre,

- by immobilising the rotary switch rotor using

adhesive tape.

Slacken the bolt (C) then sharply tap the screwdri-
ver to release the cone.

Special notes for refitting

Fit the mounting with its components, connect
the various connectors and push the assembly
back against the steering column.

Continue refitting and do not lock bolt (C) until
the two half cowlings are refitted, so that the
stalks may be aligned with the dashboard and the
instrument panel.
This operation is made easier by a cut-out section
giving access to bolt (C) in the lower half cowling.

For vehicles with an airbag, observe the re-
commendations in the section " Special notes for
the rotary switch under the steering wheel" on
the following page or section 88 (driver’s airbag).

12970R2

Move the stalk mounting assembly back slightly
and disconnect the connectors.

84-3

CONTROLS - SIGNALS

Rotary switch under steering wheel

This makes the electrical connection between the
steering column and the steering wheel.

It consists of a strip of conductor tracks (airbag)
whose length is designed to guarantee 2.5
steering wheel turns

(steering lock plus safety

margin) on each side.

REMOVAL - REFITTING

- the horn connector, if fitted,
- the steering wheel bolt,
- the steering wheel after setting the wheels

straight,

- the half cowlings (3 bolts).

Disconnect the connector for the rotary switch
and remove it after removing the three mounting
bolts (E).

Before removing the rotary switch its position
must be noted:
- by ensuring that the wheels are straight on re-

moval so that the track may be positioned in
the centre,

- by immobilising the rotary switch rotor using

adhesive tape.

If it is being replaced, the new part is supplied rea-
dy centred by an adhesive label which will tear off
as soon as the steering wheel is turned for the first
time (fit with the wheels straight).

12970R3

Disconnect the battery.

Remove:
- the airbag cushion by the two torx T30 bolts

(tightening torque : 0.5 daN.m) located behind
the steering wheel and disconnect the connec-
tor (D),

IMPORTANT:

It is not permitted to operate the

pyrotechnical systems (airbags and pretensioners)
near a source of heat or flame as there is a risk of
triggering.

IMPORTANT :

If the steering wheel is removed,

the airbag connector (D)

MUST

be disconnected.

The airbag has a connector which short circuits if
it is disconnected to prevent incorrect triggering.

12973R

84-4

CONTROLS - SIGNALS

Rotary switch under steering wheel

Special notes for refitting

Ensure the wheels are still straight.

Ensure the rotary switch under the steering wheel
is still immobilised before refitting.

If there is any doubt follow the method for cen-
tring described in section 88 "driver’s airbag".

Renew the steering wheel bolt each time it is re-
moved (pre-bonded bolt).

Observe the correct tightening torque (4.5
daN.m

IMPORTANT

Before reconnecting the driver’s airbag cushion,
check to see if the system is operating correctly as
follows:

•

check the airbag warning light on the
instrument panel is illuminated when the
ignition is on,

•

connect a dummy ignition module to the
driver’s airbag connector and check that the
warning light extinguishes,

•

switch the ignition off, connect the airbag
cushion in place of the dummy ignition module
and secure the cushion to the steering wheel,

•

switch the ignition on. Check the warning light
illuminates for three seconds when the ignition
is switched on then extinguishes and remains
extinguished.

If the warning light does not operate exactly as
described above, refer to the fault finding section
and test the system using the XRBAG (Elé. 1288)
(see section 88)

IMPORTANT: if these instructions are not obser-
ved, the systems may not operate normally and
may be incorrectly triggered.

84-5

CONTROLS - SIGNALS

Ignition switch

REMOVAL - REFITTING

Disconnect the battery.

Set the wheels straight.

Remove:
- the half cowlings,
- the radio or glovebox (depending on equip-

ment),

- the immobiliser antenna ring or plastic sur-

round from the ignition switch (depending on
equipment).

Disconnect the ignition switch connectors (F).

Remove bolt (G) from the ignition switch.

Position the ignition key in position 3 and tilt re-
taining lugs (H) while releasing the switch.

DI8404

13068R

84-6

WIPERS

Front windscreen wiper

REMOVAL OF THE WIPER MECHANISM WITH
M O T O R

Make sure that the wiper motor is in the park
position.

Disconnect the battery.

Note the position of the wiper arms.

Open the bonnet.

Remove:
- the wiper arms using tool Elé. 1294-01,
- the scuttle panel grille seal,
- the scuttle panel grille after removing the two

side covers and the two bolts and disconnecting
the washer pipe.

13069R

Remove the three mechanism mounting bolts (A).

Disconnect the motor and release the assembly.

SPECIAL TOOLING REQUIRED

Elé. 1294-01

Wiper arm removing tool

Special notes for refitting

Check that the motor is in the park position be-
fore refitting the wiper arms.

Clean the splines on the wiper arm pins using a
metal brush.

Refit the wiper arms, locating the blade on the
marks made on removal.

Fit new nuts and torque tighten to 1.8 daN.m (

15 %) using a torque wrench.

85-1

WIPERS

Front windscreen wiper

13069R1

Remove:
- the motor shaft nut (B) and release the linkage

after noting its position,

- the three motor mountings.

Release the motor after disconnecting it.

Special notes for refitting

Refit the linkage to the motor on the mark made
during removal.

Check that the motor is in the park position be-
fore refitting the wiper arms.

Clean the splines on the wiper arm pins using a
metal brush.

Refit the wiper arms, locating the blade on the
marks made on removal.

Fit new nuts and torque tighten to 1.8 daN.m (

15 %) using a torque wrench.

REMOVING THE MOTOR ALONE

Make sure that the wiper motor is in the park po-
sition.

Disconnect the battery.

Note the position of the wiper arms.

Open the bonnet.

Remove:
- the wiper arms using tool Elé. 1294-01,
- the scuttle panel grille seal,
- the scuttle panel grille after removing the two

side covers and the two bolts and disconnecting
the washer pipe.

85-2

WIPERS

Rear screen wiper

Tailgate version

REMOVING THE MOTOR

Make sure that the wiper motor is in the park po-
sition.

Disconnect the battery.

Note the position of the wiper arms.

Remove:
- the wiper arm mounting nut,
- the wiper arm from its pin using special tool

Elé. 1294-01

- the inner door handle on versions with swin-

ging doors (1 bolt),

- the tailgate trim (clipped).

Disconnect connector (A) for the wiper motor.

Remove the three bolts (B) mounting the motor
and release it.

Special notes for refitting

Check that the motor is in the park position be-
fore refitting the wiper arm.

Clean the splines on the wiper arm pin using a me-
tal brush.

Refit the wiper arm, locating the blade on the
marks made on removal.

Fit a new nut and torque tighten to 1.2 daN.m (

20 %) using a torque wrench.

Version with swinging doors

13071R

13070R

85-3

WIPERS

Electric washer pump

This vehicle is fitted with a bidirectional electric
pump (E) which feeds fluid from the same reser-
voir to both the front and rear screen washers ac-
cording to the electrical feed to the two track
connector (D).

Two cases may be considered:

13069R2

Track

Feed

+ 12 Volts

Earth

The pipes are fed via the white end piece (1)
whilst the front windscreen washer is in opera-
tion.

Track

Feed

Earth

+ 12 Volts

The pipes are fed via the black end piece (2) whilst
the rear screen washer is in operation.

DI8503

REMOVAL - REFITTING

To reach the washer pump it is necessary to re-
move:
- the wiper arms using tool Elé. 1294-01 after no-

ting their positions,

- the scuttle panel grille seal,
- the scuttle panel grille after removing the two

side covers and the two bolts and disconnecting
the front washer pipe.

When removing the washer pump (E), mark the
two pipes (1 and 2) before disconnecting them.

Special notes for refitting

Check that the motor is in the park position be-
fore refitting the wiper arms.

Clean the splines on the wiper arm pins using a
metal brush.

Refit the wiper arms, locating the blade on the
marks made on removal.

Fit new nuts and torque tighten to 1.8 daN.m (

15 %) using a torque wrench.

85-4

ELECTRICAL ASSISTANCE EQUIPMENT

Relay plate

POSITION AND ALLOCATION

(Most complete plate)

12965R

The relays are located above the fuse board at the
bottom of the dashboard. To reach them, open
the fuse box cover.

Lights on reminder buzzer

Front wiper timer

Flasher unit

Rear wiper timer

Heated rear screen relay

After ignition relay (electric window feed)

Front fog lights relay

87-1

ELECTRICAL ASSISTANCE EQUIPMENT

Relay plate

LIGHTS ON REMINDER BUZZER

Track

Allocation

+ after ignition feed

Door switch

+ side lights

95182R4

C O N N E C T I O N

NOTE : The track numbers are as for the compo-
nent.

FRONT WIPER TIMER

95182R2

Track

Allocation

+ timer

Earth

Wiper control

Wiper park

+ after ignition feed

+ washer pump

C O N N E C T I O N

NOTE : The track numbers are as for the compo-
nent.

87-2

ELECTRICAL ASSISTANCE EQUIPMENT

Relay plate

FLASHER UNIT

Track

Allocation

+ indicators

+ central control

Earth

Not used

95182R5

C O N N E C T I O N

NOTE : The track numbers are as for the compo-
nent.

REAR WIPER TIMER

95182R2

Track

Allocation

+ timer

Earth

+ rear wiper

Earth

+ after ignition feed

+ washer pump

C O N N E C T I O N

NOTE : The track numbers are as for the compo-
nent.

87-3

ELECTRICAL ASSISTANCE EQUIPMENT

Relay plate

HEATED REAR SCREEN RELAY

Track

Allocation

+ relay control

Earth

+ before ignition feed

87a

Not used

Rear screen

95182R6

C O N N E C T I O N

NOTE : The track numbers are as for the compo-
nent.

AFTER IGNITION RELAY

(electric window feed)

95182R6

C O N N E C T I O N

NOTE : The track numbers are as for the compo-
nent.

Track

Allocation

+ accessories feed

Earth

+ before ignition feed

87a

Not used

+ after ignition feed via relay (electric
window feed)

87a

87-4

ELECTRICAL ASSISTANCE EQUIPMENT

Relay plate

FRONT FOG LIGHTS RELAY

Track

Allocation

+ relay control

Earth

+ before ignition feed

87a

Not used

Front fog lights

13058R

C O N N E C T I O N

NOTE : The track numbers are as for the compo-
nent.

87-5

WIRING

Heated rear screen

REPAIR OF THE FILAMENT

Clean the section to be treated locally to remove
all dust or grease, preferably using alcohol or a
glass cleaner, and wipe with a clean, dry cloth.

To obtain a regular line during the repair, apply
scotch adhesive tape on either side of the section
to be repaired, leaving the conducting line free.

Before applying the varnish, shake the bottle to
prevent the deposit of silver particles on the bot-
tom of the bottle.

The heated grid applied to the inner face of the
window may be accidentally cut, making the part
of the grid affected inefficient.

The exact point of the disconnection may be de-
termined by means of a voltmeter.

It is possible to repair such faults by applying the
heated rear screen varnish sold under Part
Number 77 01 421 135 (2 g pack).

DETERMINING THE EXACT POINT OF
DISCONNECTION WITH A VOLTMETER.

Switch on the ignition.

Switch on the heated rear screen feed.

DETECTION BETWEEN LINES B AND A

Connect the + wire of the voltmeter to the +
feed terminal of the rear screen.

Place the - wire of the voltmeter on a filament on
the - terminal side of the rear screen (line B). A
voltage approximately equal to battery voltage
must be obtained.

Move the - wire towards line A (arrow): the vol-
tage drops progressively.

If the voltage drops quickly the filament is cut at
that point (carry out this operation for each fila-
ment).

DI8814

DETECTION BETWEEN LINES C AND A

Connect the - wire of the voltmeter to the - termi-
nal of the rear screen.

Place the + wire of the voltmeter on a filament
on the + terminal side of the rear screen (line C);
essentially a voltage equal to the battery voltage
must be obtained.

Move the + wire towards line A (arrow); the vol-
tage drops progressively.

If the voltage drops quickly, the filament must be
cut at this point (carry out this operation for each
filament).

DI8815

88-1

WIRING

Heated rear screen

77324S

REPAIR

Using a small brush proceed to carry out the re-
pair, applying a sufficiently thick coat. Where suc-
cessive coats are applied allow drying time bet-
ween each coat. Do not repeat the operation
more than three times.

However, if there is a run it will be possible to eli-
minate it using the point of a knife or razor blade
once the product is sufficiently hardened (after se-
veral hours).

The adhesive tape acting as a guide must not be
removed for one hour after application. The tape
must be torn off perpendicularly to the resistance
in the direction of the arrow. The varnish, applied
at an ambient temperature of 20

C, is completely

dry in three hours. At a lower temperature the
drying time should be slightly increased.

88-2

WIRING

Remote control for door locking

GENERAL

These vehicles are equipped with an infrared or
radio frequency remote control with rolling code,
which prevents the code from being copied.

When a transmitter is replaced it will therefore be
necessary to resynchronise it so that the transmit-
ters are returned to phase with the decoder unit.

This remote control is only used for locking and
unlocking the opening elements (it has no effect
on the immobiliser).

IMPORTANT:

this system cannot operate with

three remote controls (the decoder unit can only
manage two different rolling codes).

THE TRANSMITTER (PLIP)

Replacing or adding a remote control with immo-
biliser function without replacing the decoder
unit.

Order a spare key head using the number in the
head of one of the old keys or the label normally
attached to the keys when the vehicle is delivered
(eight alphanumeric characters).

If a key is being added or has been lost, remember
to order the insert with the key number.

Carry out the special resynchronisation procedure
using the XR25.
This procedure resets the remote control into se-
quence with the decoder unit (rolling code) and
should only be used if the decoder unit is not
being replaced (with immobiliser only).

Ignition off, connect the XR25 (ISO selector on
S8, code D56).
For vehicles fitted with an infra-red remote
control, enter command mode G04* (forced
protection mode) then switch the ignition on
again and enter the vehicle’s security code
(see procedure in section 82).
For vehicles fitted with a radio frequency re-
mote control, go to point 2.

Switch the ignition off and enter command
mode G32*.

From this moment, the operator has 10 se-
conds

to carry out the next operation.

NOTE:

The 10 seconds are shown by the illu-

mination of the red immobiliser warning light
and bargraph 17 LH on the XR25

(code

D56

fiche n

56).

Press the remote control twice (the doors lock
and unlock and the red warning light extin-
guishes).

NOTE :

- When replacing a key head, resynchronisa-

tion of the second remote control (if fitted)
is not always necessary.
Check that the second control operates,
otherwise resynchronise it.

- If both remote controls (if fitted) are desyn-

chronised, two resynchronisation proce-
dures will have to be carried out (one for
each remote control).

IMPORTANT:

To ensure that the infrared code

is correctly transmitted it is essential to direct
the transmitter correctly towards the receiver.
If the procedure fails it will be necessary to
restart from the beginning (infrared remote
control only).

The procedure is complete - check that the
doors lock correctly.

88-3

WIRING

Remote control for door locking

Replacing or adding a remote control without im-
mobiliser function without replacing the decoder
unit.

If the vehicle does not have an immobiliser, the re-
mote control does not have a special number. A
key head without a number may therefore be or-
dered.

If a key is being added or has been lost, remember
to order the insert with the key number.

Ignition off, connect the XR25 (ISO selector on
S8, code D56).

Enter command mode G32* (the doors lock
and unlock).
From this moment, the operator has 10 se-
conds

to carry out the next operation.

NOTE:

The 10 seconds are shown by the illu-

mination of bargraph 17 LH on the XR25

(code

D56

fiche n

56).

Press the remote control twice (the doors lock
and unlock).

NOTE :

- When replacing a key head, resynchronisa-

tion of the second remote control (if fitted)
is not always necessary.
Check that the second control operates,
otherwise resynchronise it.

- If both remote controls (if fitted) are desyn-

chronised, two resynchronisation proce-
dures will have to be carried out (one for
each remote control).

IMPORTANT:

To ensure that the infrared code

The procedure is complete - check that the
doors lock correctly.

Simple resynchronisation procedure

This procedure allows the remote controls to be
reset with the decoder unit (rolling code).

This procedure is used:
- when the remote control code no longer lies

within the reception range of the decoder unit
(over 1,000 consecutive presses on the remote
control, away from the vehicle).

- when replacing a decoder unit alone (new de-

coder unit),

- when replacing a remote control if the decoder

unit is new (replacing a kit).

REMINDER:

when replacing or adding a remote

control with immobiliser function without repla-
cing the decoder unit, refer to "Replacing or ad-
ding a remote control with or without immobili-
ser function without replacing the decoder unit"
(specific resynchronisation procedure).

88-4

WIRING

Remote control for door locking

Ignition off:

Press and hold the central door locking button
for a few seconds until the doors lock and un-
lock.
From this moment, the operator has 10 se-
conds

to carry out the next operation.

NOTE:

The 10 seconds are shown by the illu-

mination of the red immobiliser warning light
(if fitted) and bargraph 17 LH on the XR25
(code

D56

fiche n

56).

Press the remote control twice (the doors lock
and unlock and the red warning light extin-
guishes, if fitted).

NOTE :

If both remote controls (if fitted) are

desynchronised, two resynchronisation proce-
dures will have to be carried out (one for each
remote control).

IMPORTANT:

To ensure that the infrared code

The procedure is complete - check that the
doors lock correctly.

Removal - Refitting

The dashboard must be partially removed to re-
move the decoder unit.

board mounting bolts on the heating unit,

- the trim at the bottom of the dashboard on the

driver’s side,

- the two speaker grilles on the dashboard,
- the dashboard mountings.

THE DECODER UNIT

The decoder unit is located in the left hand side of
the dashboard (A).

12967R

88-5

WIRING

Remote control for door locking

REMOTE CONTROL RECEIVER

This is located near to the courtesy light.

It receives the remote control code and transmits
it to the decoder unit. Its function is to amplify the
signal.

The remote control receiver is replaced indepen-
dently of the transmitter and the decoder unit (it
is not coded).

Removal - Refitting

Remove:
- the light diffuser, lifting it with a small screw-

driver at points (A),

13073R

13065R

Replacement

For vehicles fitted with an immobiliser, refer to
section 82 (programming procedure). The decoder
unit is common to the immobiliser.

For vehicles without an immobiliser, carry out a
resynchronisation operation.

NOTE :

Fault finding for the remote control sys-

tem may be carried out using the XR25 (fault fin-
ding fiche n

56).

Move the dashboard as far back as possible, dis-
connect the decoder unit and remove the two
mounting bolts (B) using a small ratchet fitted
with a Torx 20 socket.

88-6

WIRING

Remote control for door locking

Remove the receiver and its printed circuit by se-
parating tabs (F) (example: infrared receiver).

13075R

Special notes for refitting

When refitting the mounting (D), check that the
switch (E) is positioned towards the right (see dia-
gram) to avoid damaging the contacts on reclip-
ping the assembly.

13074R2

13072R

- the two courtesy light console mounting bolts

(B).

Release the assembly forwards and disconnect the
connector.

After removing the bulb, remove bolt (C) and un-
clip mounting (D).

13074R1

88-7

96310-1S

MAB11197S

WIRING

Airbags and seat belt pretensioners

GENERAL

IMPORTANT :

all work on the airbag and

pretensioner systems must be carried out by
qualified personnel who have received the proper
training.

There are 3 safety systems which supplement the
seat belt.

If a frontal impact is sufficiently strong, the elec-
tronic unit controlling these systems triggers:

•

The pretensioners

which restrict the seat belts

for the front seats so that they are pressed
against the body.

• The airbag cushion which inflates from the

centre of the steering wheel to protect the
driver’s head.

• The airbag module which inflates from the

dashboard to protect the front passenger’s
head.

98124S

88-8

DI8816

DI8817

WIRING

Airbags and seat belt pretensioners

FUNCTION AND OPERATION OF THE AIRBAGS AND PRETENSIONERS

1) Function

In the event of an accident, the airbag prevents the head striking the steering wheel or dashboard.

It also reduces the maximum acceleration of the head, by absorption.

2) Trigger threshold

Generally speaking, there are four different basic situations.

1) FRONTAL IMPACT AGAINST A

OBSTACLE

The trigger speed depends on the obstacle’s
surface. The softer the surface, the higher the
speed.

The pretensioner generally triggers at a lower
speed than the airbag.

2) OFFSET IMPACT AGAINST A

OBSTACLE

In this case, the airbag trigger speed depends on
the angle of impact

The greater the angle, the higher the vehicle
speed for triggering.

Direction of travel

Centre of gravity

88-9

DI8819

DI8818

WIRING

Airbags and seat belt pretensioners

3) FRONTAL IMPACT AGAINST A FLEXIBLE
OBSTACLE

The airbag trigger speed depends in this case on
the degree of flexibility of the bodywork of the
vehicle hit.

The more flexible the other vehicle, the higher the
trigger speed (for vehicles of equal flexibility and
100 % contact, the speed is higher than 40 km/h)
(relative speed).

4) OFFSET IMPACT AGAINST A FLEXIBLE
OBSTACLE

Here the airbag trigger speed depends on the an-
gle of impact

and the flexibility of the vehicle hit

in the direction of travel.

The vehicle speed for airbag triggering is greater
when the angle of impact

is greater and the

flexibility of the vehicle hit is high.

5) SUMMARY AND CONCLUSION

- The airbag only reacts to deceleration in the direction of driving. A side impact or the vehicle rolling over

cannot

trigger the airbag.

- The vehicle’s projectile energy is transformed into deformation energy of the front part of the vehicle.

Deceleration is greater when the deformation of the vehicle hit is less, meaning that the airbag will trigger
much earlier.

- The minimum speed at which the airbag is triggered is greater when the angle of impact

is large (see

above).

- If, in a frontal impact, there is no deformation at the front pillars, or engine - gearbox - sub-frame impact,

the fact that the airbag was not triggered cannot be considered as a fault since the trigger speed may not
have been reached.

- The pretensioners always trigger at a lower speed than the airbag.

- Experience has shown that the impact speeds given by customers are often not correct. Their reactions are

generally reduced by shock: there is almost always confusion between the cruising speed before the im-
pact and the actual speed of the impact which is thankfully much lower in most cases.

Direction of travel

Centre of gravity

Immobilised vehicle

88-10

WIRING

Airbags and seat belt pretensioners

92656S

The new 30-track computers are provided with
the K and L lines for fault finding with the XR25
(except for vehicles with pretensioners only).

This enables computer faults or faulty lines to be
detected in the system (see section on fault fin-
ding).

NOTE:

before each operation an auxiliary func-

tion enables the ignition lines to be de-activated
to prevent the risk of triggering the pyrotechnic
gas generators.

Various vehicle configurations are possible:

Vehicle fitted with:

- pretensioners only,

- pretensioners and driver’s airbag,

- pretensioners and driver’s airbag and passen-

ger’s airbag.

NOTE :

• A vehicle fitted with a driver’s airbag will be

identified by a label in the bottom corner of
the windscreen on the driver’s side, and by the
word "Airbag" in the centre of the steering
wheel.

• If a passenger airbag is fitted, a second label is

located in the lower corner of the windscreen
on the passenger side and the word "Airbag" is
located on the dashboard on the same side.

Each time the windscreen is replaced, remember
to fit the labels showing that the vehicle is fitted
with airbags.

These labels are available in a kit Part Number :
77 01 205 442

SPECIAL TOOLING

PRESENTATION

X R 2 5

88-11

WIRING

Airbags and seat belt pretensioners

PRD99498

This bornier is connected instead of the computer,
fitted with a single 30-track connector.

It enables all the ignition lines to be checked by
means of the XRBAG, the supply voltage of the
computer to be measured, and the airbag war-
ning light on the instrument panel to be illumina-
ted.

Terminals also enable the continuity checks to be
carried out on the diagnostic lines, the warning
light lines and the feed to the computer (see sec-
tion on fault finding).

XRBAG TEST UNIT (Elé. 1288)

96833G

This unit is a tool specifically designed for testing
and fault finding on airbag devices and seat belt
pretensioners.

It enables electrical measurements to be carried
out on the different lines in the systems.
(See "fault finding" section).

IMPORTANT:

It is not permitted to carry out mea-

surements on these systems with an ohmmeter or
any other electrical measuring instrument: there
is a risk of triggering due to the operating current
of the instrument.

XRBAG 30-TRACK ADAPTER

88-12

WIRING

Airbags and seat belt pretensioners

DUMMY AIRBAG IGNITION MODULE

A dummy airbag ignition module housed in a
small red box is supplied in the case containing
the XRBAG test kit.

It has the same electrical characteristics as a real
ignition module and its purpose is to replace the
airbag cushion when it is being checked for faults.

Contact your After Sales Head Office for further
information.

DESTRUCTION UNIT

To avoid all possible risks of an accident the
pyrotechnic gas generators in the airbags and seat
belt pretensioners must be triggered before the
vehicle or the individual part is scrapped.

It is

ESSENTIAL

to use the tool Ele. 1287 for this

purpose.

96832R

Refer to the section entitled "Destruction
procedure".

IMPORTANT:

Do not trigger pretensioners which

must be returned under warranty for a stalk pro-
blem. This makes analysis by the supplier impossi-
ble.
Return the part in the packaging of the new part.

88-13

WIRING

Airbags and seat belt pretensioners

When refitting the computer, it

MUST

be moun-

ted on the vehicle before its connectors are re-
connected.

The arrow on the computer must point towards
the front of the vehicle.

Vehicle fitted with airbag(s)

Lock the computer using the XR25 and command
G80*

(ISO selector on S8 code D49).

When this function is active, all the trigger lines
are inhibited, the airbag warning light on the ins-
trument panel and bargraph 14 LH on the XR25 il-
luminate (new computers are supplied in this
condition).

When refitting the computer:

- Mount it on the vehicle (the arrow on the

computer must point towards the front of the
vehicle).

- Connect the 30 track computer connector and

carry out a check using the XR25.

If everything is correct, unlock the computer using
command G81*.

COMPUTER

Several types of unit may be found:

- one computer for pretensioners only.

- one computer for pretensioners and airbag(s).

Depending on function, these computers have:

- an electromagnetic safety sensor,

a decelerometer for the airbags

an ignition circuit for the different pyrote-
chnic systems,

a power reserve,

a diagnostic and detected fault storage circuit
(except pretensioner only),

a control circuit for the warning light on the
instrument panel (except pretensioner only),

a K - L communication interface via the dia-
gnostic socket (except pretensioner only).

I M P O R T A N T

Before removing the computer:

Vehicle with pretensioners only

(no air-bag) :

- Switch off the ignition.

- Remove the feed fuse (see fuse allocation) and

wait for 5 minutes for the reserve capacity to
discharge.

- Disconnect the computer connector to avoid

any risk of triggering.

- Ensure no-one is in the passenger compartment

during the complete operation on the compu-
ter.

88-14

WIRING

Airbags and seat belt pretensioners

LOCATION OF THE COMPUTER

It is located on the tunnel in the central console.

13059S

COMPUTER WITHOUT AIRBAG

98715S

COMPUTER WITH AIRBAG(S)

98716S

I M P O R T A N T

• The computer must be replaced after the pre-

tensioners and airbags have been triggered.
Certain components will lose their nominal cha-
racteristics after the trigger energy has passed
through them.

• When replacing an airbag(s) computer, the

computer must be unlocked using the XR25 be-
fore it is used (see "Fault finding" section " : in-
terpretation of bargraph 14 LH side).

IMPORTANT

:When refitting the computer, it

MUST

be mounted on the vehicle before its

connectors are reconnected. The arrow on the
computer must point towards the front of the
vehicle (tightening torque : 0.4 daN.m).

N O T E :

The 30 track connector for the computer

short circuits the various trigger lines as soon as it
is disconnected. Shunts located opposite each pre-
tensioner line or airbag line prevent the incorrect
triggering of these systems (by aerial effect for
example).

88-15

WIRING

Airbags and seat belt pretensioners

I M P O R T A N T

• When carrying out an operation under the ve-

hicle (exhaust, bodywork, etc.), do not use a
hammer or transmit impacts to the floor wi-
thout having removed the pretensioner fuse
and waited 5 minutes for the reserve capacity
to discharge (see section "Fuse allocation", in
the "Wiring diagram" technical note) or for ve-
hicles with the airbag function, wait for 2 se-
conds for the unit to discharge automatically.

• When fitting an electrical accessory in After

Sales, (speaker, alarm unit or any equipment
which may create a magnetic field), it must not
be located near the airbag and pretensioner
computer.

C O N N E C T I O N

2 track connector
(located under the front seats)

Pretensioner triggering.

NOTE

: The pretensioner trigger line connectors

short circuit (tab holder side) when they are dis-
connected, which prevents incorrect triggering of
the systems (aerial effect for example).

30 track connecter (fullest version)

Track

Allocation

+ Driver’s pretensioner

- Driver’s pretensioner

+ Passenger’s pretensioner

- Passenger’s pretensioner

+ After ignition

+ Passenger’s airbag (line 1)

- Passenger’s airbag (line 1)

Warning light

Earth

+ Driver’s airbag

- Driver’s airbag

Diagnostic line "K"

+ Passenger airbag (line 2)

- Passenger airbag (line 2)

Diagnostic line "L"

16
17

Shunt

18
19

Shunt

Not used

21
22

Shunt

Not used

25
26

Shunt

Not used

28
29

Shunt

Not used

NOTE : The computer and ignition modules are
normally fed from the vehicle battery.
A reserve capacity is however included in the
computer in case the battery is disconnected at
the start of the impact.

88-16

WIRING

Airbags and seat belt pretensioners

WARNING LIGHT ON THE DASHBOARD

This warning light controls the pretensioners and
airbags, except for vehicles fitted with pretensio-
ners only.

It should illuminate for a few seconds when the
ignition is switched on, then extinguish (and
remain extinguished). If it does not illuminate
when the ignition is switched on, or illuminates
when the vehicle is being driven, there is a fault in
the system (see fault finding section).

IMPORTANT

: the systems

MUST

be checked by

means of the

XRBAG

, following:

- an accident which has not given rise to

triggering,

- theft or attempted theft of the vehicle,
- before the sale of a used vehicle.

These systems are not triggered in the case of:
- a lateral impact,
- a rear impact.

When it is triggered the pyrotechnic gas
generator produces an explosion combined with
light smoke.

NOTE :

With pretensioners only,the computer has

a single sensor (electromechanical).

OPERATIONS ON THE TRIGGER LINES

If a fault is noted on one of these lines, the
component must be renewed and not repaired.

This safety equipment cannot be subjected to any
conventional wiring or connector repair opera-
tions.

The airbag trigger wiring is integrated into the
passenger compartment wiring loom . To make
replacement easier, cut the two ends of the faulty
wiring and run the new wiring along the same
routing, alongside the passenger compartment
wiring loom.

IMPORTANT : When fitting the new wiring, en-
sure it is not in danger of being cut or rubbed and
that the original wiring cleanliness is respected.

NOTE : The trigger lines are supplied by the Parts
Department in a kit containing both airbag and
pretensioner wiring.

OPERATION WITH AIRBAG(S) AND PRETENSIONER
EQUIPMENT

When the ignition is switched on, the
warning light illuminates for a few
seconds then extinguishes.

This computer is then on standby and notes dece-
lerations of the vehicle using the signal measured
by the integral decelerometer.

When a frontal impact of sufficient strength oc-
curs it triggers the simultaneous ignition of the
pyrotechnic generators of the two seat belt pre-
tensioners after receiving confirmation of detec-
tion of an impact by the electromechanical safety
sensor.

Under the action of the gases generated by the
system, a piston is displaced in its cylinder,
carrying with it a cable connected to the
corresponding central catch, thus enabling the
seat belt to be retracted (see pretensioner
section).

If the frontal impact is greater than this, the dece-
lerometer triggers the ignition of the pyrotechnic
gas generators which inflate the driver and pas-
senger airbags once the impact has been valida-
ted by the electromechanical safety sensor.

88-17

WIRING

Airbags and seat belt pretensioners

DI8801R

A pretensioner includes:
-

a special seat belt catch (A),

a pyrotechnic gas generator and ignition
module (B).

SEAT BELT PRETENSIONERS

DESCRIPTION

They are mounted on the side of the front seats.

96438S

DI8802

The components of the pretensioner cannot be se-
parated.

When it is triggered the system is able to retract
the seat belt catch by up to 70 mm (maximum)

88-18

WIRING

Airbags and seat belt pretensioners

SEAT BELTS

When the pretensioners are triggered the front
seat belt or belts must be systematically replaced
if they were attached during the pretensioning (if
there is any doubt about wearing the belt it must
be replaced). The physical stresses exerted on the
catch are transmitted to the inertia reel and may
damage its mechanism.

REMOVAL

IMPORTANT:

The pyrotechnic systems (pretensio-

ners) must not be handled near a heat source or
flame; there is a risk of triggering.

Remove:
- the pretensioner connector under the front

seat,

- the pretensioner assembly, after removing its

protective trim.

IMPORTANT

: before scrapping a non-triggered

pretensioner it

MUST

be destroyed in accordance

with the method for destruction (except for parts
returned under warranty) (see section
"Destruction procedure").

REFITTING

Ensure that the wiring is correctly routed and the
wiring mounting points are correct under the
seat.

NOTE:

For vehicles with airbag(s), the computer

may be locked using the XR25 and command
G80*

(ISO selector on S8 code D49) during the

operation.

After the operation, carry out a check using the
XR25. If everything is correct, unlock the compu-
ter using command G81*.

IMPORTANT :

For vehicles with pretensioners only

(without

fault finding on the XR25) :
• Before reconnecting the pretensioners (connec-

tor under the seat), check the condition of the
equipment using the XRBAG (Elé. 1288) on the
two pretensioners (see fault finding section),

• On the pretensioners side, ensure the connec-

tor (C) is properly connected (clipped fully
home).

For vehicles with pretensioners and airbag

• Test using the XR25 after reconnecting the

connectors. Unlock the computer using
command G81* if everything is correct.

• On the pretensioners side, ensure the connec-

tor (C) is properly connected (clipped fully
home).

REMINDER:

if the pretensioners have been trig-

gered their computer

MUST

be replaced.

88-19

WIRING

Airbags and seat belt pretensioners

DRIVER’S AIRBAG

DESCRIPTION

It is located in the steering wheel cushion.

It comprises:
- an inflatable cushion,
- a pyrotechnic gas generator and ignition

module.

These components cannot be separated.

96310-1S

NOTE :

when the airbag inflates, the steering

wheel cover is torn.

Warning light on the instrument panel
shows the correct operation of the driver’s airbag,
the passenger’s airbag and the pretensioners (de-
pending on equipment).

NOTE :

this system is operational after the ignition

has been turned on. A vehicle fitted with a driver’s
airbag will be identified by a label in the bottom
corner of the windscreen on the driver’s side, and
by the word "Airbag" in the centre of the steering
wheel.

Each time the windscreen is replaced, remember
to fit the labels showing that the vehicle is fitted
with airbags.These labels are available in a kit Part
Number :

77 01 205 442.

REMINDER :

The computer must be replaced after

the airbag has been triggered. Certain compo-
nents will lose their nominal characteristics after
the trigger energy has passed through them.

88-20

WIRING

Airbags and seat belt pretensioners

12973R

Remove:
- the airbag cushion by its two Torx bolts (tighte-

ning torque: 0.5 daN.m) located behind the
steering wheel and disconnect connector (D),

- the steering wheel bolt,
- the steering wheel after straightening the

wheels.

NOTE:

For these vehicles, the computer may be

locked using the XR25 and command G80* (ISO
selector on S8 code D49) during the operation.

After the operation, carry out a check using the
XR25. If everything is correct, unlock the compu-
ter using command G81*.

IMPORTANT

: before scrapping a non-triggered

airbag cushion it

MUST

be destroyed in accor-

dance with the method for destruction (see sec-
tion "Destruction procedure": destruction of part
removed from the vehicle).

STEERING WHEEL AIRBAG AND ROTARY SWITCH

REMOVAL

IMPORTANT:

The pyrotechnic systems (airbag

and pretensioners) must not be handled near a
heat source or flame; there is a risk of triggering.

IMPORTANT

: If the steering wheel is removed,

the airbag connector

MUST

be disconnected (D) .

The airbag connector short circuits when it is dis-
connected to prevent incorrect triggering.

88-21

WIRING

Airbags and seat belt pretensioners

PRD99529

If it is being replaced, the new part is supplied rea-
dy centred by an adhesive label which will tear off
as soon as the steering wheel is turned for the first
time (fit with the wheels straight).

REFITTING

Ensure the wheels are still straight.

Ensure the rotary switch under the steering wheel
is still immobilised before refitting.

If this is not the case, follow the centring method
described below:
-

rotate the upper section of the rotary switch
anti-clockwise. The approach to the extreme
position, shown below, is indicated by a cer-
tain stiffness (do not force).

SPECIAL NOTES FOR THE ROTARY SWITCH
UNDERNEATH THE STEERING WHEEL

This makes the electrical connection between the
steering column and the steering wheel.

It consists of a strip of conductor tracks (airbag)
whose length is designed to guarantee 2.5 stee-
ring wheel turns

(steering lock plus safety margin)

on each side.

REMOVAL

Before removing the rotary switch its position
must be noted:

•

by ensuring that the wheels are straight on re-
moval so that the track may be positioned in
the centre,

•

by immobilising the rotary switch rotor using
adhesive tape.

- then lightly rotate the upper section of the part

clockwise and check that the rotary switch is ac-
tually in the position shown below.

12970R4

88-22

WIRING

Airbags and seat belt pretensioners

IMPORTANT

When everything has been refitted:

• Carry out a check using the XR25 to ensure that

there is no fault in the system.

•Unlock the computer with command G81* .

• Check that the airbag warning light illuminates

for 3 seconds after the ignition is switched on
then extinguishes and remains extinguished.

If the warning light does not operate as described
above, refer to the "Fault finding" section and
check the system using the XRBAG (Elé. 1288) or
XR25.

IMPORTANT:

If these procedures are not correctly observed the
systems may not operate correctly or may be
accidentally triggered.

PRD99530

- again rotate the part in the clockwise direction

by making two complete turns, and after this
operation make sure that the rotary switch is
actually in the position previously described.

Refit the steering wheel and replace the pre-
bonded bolt,

ensuring its correct tightening tor-

que (4.5 daN.m).

Reconnect the airbag cushion and secure it to the
steering wheel, tightening torque (0.5 daNm).

SPECIAL CASES

Where work is being done involving removal of
the steering, engine, transmission, etc., requiring
uncoupling of the rack and steering column:

→

the steering wheel must be immobilised using a

"steering wheel locking" tool.

I M P O R T A N T

: to avoid destroying the rotary

switch under the steering wheel it is IMPORTANT
to maintain the fixed position of the steering
wheel throughout the operation.

If there is any doubt about its correct centring the
steering wheel must be removed so that the cen-
tring method described above can be applied.

REMINDER:

in this case, only qualified personnel

who have received the correct training must work
on the airbag.

88-23

WIRING

Airbags and seat belt pretensioners

PASSENGER AIRBAG MODULE

DESCRIPTION:

It is located in the dashboard, opposite the front
seat passenger.

It comprises:
- an inflatable cushion,
- two pyrotechnic gas generators and ignition

modules.

LOCATION

The components of the airbag module cannot be
separated.

98124S

NOTE :

When it is triggered, the airbag opens the

plastic cover of the passenger airbag module.

Warning light on the instrument panel
shows the correct operation of the airbags and
the pretensioners.

NOTE :

this system is operational after the ignition

has been turned on. A vehicle fitted with a pas-
senger’s airbag will be identified by a label in the
bottom corner of the windscreen on the passen-
ger’s side, and by the word "Airbag" on the dash-
board on the same side. Two additional labels on
the front window and the side of the dashboard
indicate that a child seat cannot be fitted to the
front seat. The passenger must not set his feet on
the dashboard or stick or pin objects to the dash-
board (refer to the Driver’s Handbook).

Each time the windscreen (or passenger door win-
dow) is replaced, remember to fit the labels sho-
wing that the vehicle is fitted with airbags.These
labels are available in a kit Part Number : 77 01
205 442

REMINDER :

The computer must be replaced after

the airbag has been triggered. Certain compo-
nents will lose their nominal characteristics after
the trigger energy has passed through them.

13060S

88-24

WIRING

Airbags and seat belt pretensioners

IMPORTANT:

The pyrotechnic systems (airbag

and pretensioners) must not be handled near a
heat source or flame; there is a risk of triggering.

NOTE:

For these vehicles, the computer may be

locked using the XR25 and command G80* (ISO
selector on S8 code D49) during the operation.

After the operation, carry out a check using the
XR25.

If everything is correct, unlock the computer using
command G81*.

13064S

REMOVAL

The dashboard must be removed to remove the
passenger airbag module (see "Removing -
refitting the dashboard", section 83).

Then remove the airbag module (four nuts).

I M P O R T A N T

When the passenger airbag module

is triggered, the damage to its mountings means
that the dashboard must be renewed.

IMPORTANT

: before scrapping a non-triggered

airbag it

MUST

be destroyed in accordance with

the method for destruction of the driver’s airbag
(see section "Destruction procedure": destruction
of part removed from the vehicle).

Accessibility of passenger airbag ignition mo-
dules for fault finding

The dashboard must be removed to reach the pas-
senger airbag ignition modules.

IMPORTANT :

The ignition module must be

checked using the XRBAG as indicated in the
"Fault finding" section.

REPLACING THE PASSENGER AIRBAG MODULE

88-25

WIRING

Airbags and seat belt pretensioners

REFITTING

I M P O R T A N T

: The following safety advice

MUST

be followed when refitting or replacing a passen-
ger airbag module. If these instructions are not
followed the system may not operate normally
and could even cause a risk for the vehicle occu-
pants.

IMPORTANT :

Refitting is the reverse of removal. The tightening
torque of the 4 module mounting bolts
(0.6 daN.m)

MUST

be observed.

• Renew the "System tamperproof " label with a

blue After Sales label sold in kit Part Number
77 01 205 356

for all types.

• Remember to remove all foreign bodies (bolts,

clips) when fitting the airbag.

IMPORTANT :

Before reconnecting the passenger airbag module
and refitting the dashboard, the system wiring
must be checked.

Fit a dummy ignition module (Elé. 1288) to the
passenger airbag module connector.

Connect the 30 track adapter of the XRBAG to the
orange 30 track connector on the computer
wiring.

After supplying power to the XRBAG (battery),
connect the white 2 track measuring connector to
wiring (C) of the adapter, and the measurement
should be between 1.8 and 4.6

Ω

If the measurements are correct:
• Disconnect the dummy ignition module.
• Connect the wiring to the passenger airbag

ignition module (by offering up the dashboard)
and connect the white 2 track measuring
connector of the XRBAG once more to wiring
(C) of the adapter, and the measurement
should be between 1.8 and 4.6

Ω

If the measurements are correct:
• Refit the dashboard.
• Use the XR25 to check no faults are present in

the system.

• Unlock the computer using command G81*.
• Check that the airbag warning light illuminates

for 3 seconds when the ignition is switched on
then extinguishes and remains extinguished.

If the warning light does not operate as described
above, or the values measured are incorrect, refer
to the "Fault finding" section.

PRD99498

88-26

WIRING

Airbags and seat belt pretensioners

DESTRUCTION PROCEDURE

In order to avoid any risk of an accident, the pyro-
technic gas generators must be triggered before
the vehicle is scrapped or the part is scrapped.

Tool Elé. 1287 must be used for this.

96832R

PRETENSIONERS

96438R

Carry out the same operation for the 2nd preten-
sioner.

NOTE :

if the pretensioner cannot be triggered

(ignition module faulty), return the part in the
packaging from the new component to ITG
(Service 0428).

IMPORTANT:

Do not trigger pretensioners which

must be returned under warranty for a stalk pro-
blem. This makes analysis by the supplier impossi-
ble.
Return the part in the packaging of the new part.

Destruction of the part fitted to the vehicle

Move the vehicle outside the workshop.

Connect the destruction tool to the connector (1)
under the front seat using the appropriate lead.

Unroll the wiring of the tool so you are
sufficiently far away from the vehicle
(approximately 10 metres) when the device is
triggered.

Connect the two feed wires on the tool to a
battery.

After checking that there is no-one nearby, carry
out the destruction of the pretensioner by pres-
sing the two buttons on the tool at the same time.

88-27

WIRING

Airbags and seat belt pretensioners

96834S

Cover the assembly with a stack of 4 old tyres.

96835S

Unroll the wiring of the tool so you are
sufficiently far away from the vehicle
(approximately 10 metres) when the device is
triggered and connect it to the airbag cushion
wiring.

Connect the two feed wires on the tool to a
battery.

After checking that there is no-one nearby, carry
out the destruction of the airbag by pressing the
two buttons on the tool at the same time.

NOTE :

if the airbag cannot be triggered (ignition

module faulty), return the part in the packaging
from the new component to ITG (Service 0428).

PASSENGER AIRBAG

Destruction of the part removed from the vehicle

Proceed in the same manner as for the driver’s
airbag (removed part).

Destruction of the part removed from the vehicle

Proceed in the same manner as for the airbag
(removed part).

DRIVER’S AIRBAG

Destruction of the part removed from the vehicle

Carry out the operation outside of the workshop.

After connecting the appropriate wiring, set the
airbag cushion on 2 blocks of wood to avoid
damaging the connector against the ground.

88-28

Document Outline

80-BATTERY
- Special notes
80-HEADLIGHTS
- Lens units and indicators
- Remote adjustment
81-REAR AND INTERIOR LIGHTS
- Courtesy light
- Fuses
82-IMMOBILISER
- Coded key immobiliser system
83-INSTRUMENT PANEL
84-CONTROLS - SIGNALS
85-WIPERS
87-ELECTRICAL ASSISTANCE EQUIPMENT
- Relay plate
88-WIRING

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