057RT–01
05–700
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
865
Author:
Date:
2004 COROLLA (RM1037U)
TOYOTA VEHICLE INTRUSION PROTECTION SYSTEM
HOW TO PROCEED WITH TROUBLESHOOTING
Troubleshoot in accordance with the procedure on the following pages.
1
VEHICLE BROUGHT TO WORKSHOP
2
CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
(See page
05–701
)
(a)
Without applicable symptoms, proceed to ”A”.
(b)
With applicable symptoms, proceed to ”B”.
B
Go to step 4
A
3
SYMPTOM SIMULATION
4
PROBLEM SYMPTOMS TABLE (See page
05–707
)
(a)
Without applicable symptoms, proceed to ”A”.
(b)
With applicable symptoms, proceed to ”B”.
B
Go to step 5
A
5
CIRCUIT INSPECTION AND PART INSPECTION (See page
05–707
)
6
PERFORM TROUBLESHOOTING IN THE FOLLOWING METHOD, DEPENDING ON
MALFUNCTION SYMPTOM
(a)
Terminals of ECU (Seepage
05–703
)
(b)
On–vehicle inspection (Seepage
73–14
)
7
ADJUSTMENT, REPAIR OR REPLACEMENT
8
CONFIRMATION TEST
END
057RU–01
TVIP SYSTEM Check Sheet
Inspector’s name:
Customer’s Name
Date Vehicle
Registration No.
Registration Year
Frame No.
Odometer Reading
/ /
km
Mile
Weather Conditions
When Problem
Occurred
Frequency Problem Occurs
Weather
Outdoor temperature
/ /
Constant
Sometimes ( Times per day, month)
Once only
Brought in
TVIP system cannot be set.
Indicator light does not flash when the TVIP system is set.
(It stays on or does not light at all.)
TVIP system
does not operate.
When unlocked using the
front door lock knob.
When the doors or
luggage is opened.
System cannot be
canceled, once set.
When door is unlocked using key or wireless door lock control system.
When the key is inserted in the ignition key cylinder and turned to ACC or ON
position.
(However, only when the system has never operated)
System cannot be
canceled during warning
operation.
When door is unlocked using key or wireless door lock control system.
When the key is inserted in the ignition key cylinder and turned to ON
position.
Warning operation starts when the system is set and the door is opened with the key.
Others.
Date Problem First Occurred
Fine
Cloudy
Rainy
Snowy
Various/Others
Hot
Warm
Cool
Cold (Approx.
°
F (
°
C))
Problem Symptom
Malfunction
Horn only
Headlights only
Hazard lights only
Room light only
Forced door lock operation only
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–701
866
Author:
Date:
2004 COROLLA (RM1037U)
CUSTOMER PROBLEM ANALYSIS CHECK
057RV–01
B58634
Horn Low Pitched Horn Assy (Horn)
Engine Room J/B
HORN Fuse
HORN Relay
Headlight Control Relay
Headlight
TVIP ECU
Ignition Switch
Key Unlock
Warning Switch
Security Indicator
(w/ Glass Breakage Sensor)
Starter Cut Relay
Glass Breakage Sensor ECU
Instrument Panel J/B
(Integration Relay)
Front Door w/ Motor Lock Assy LH
(Door Unlock Detection Switch)
Luggage Door Lock Assy
(Luggage Compartment Light Switch)
Hazard Warning Light
Room Light
Courtesy Lamp Switch
Assy Front LH
Front Door w/ Motor Lock Assy RH
(Door Unlock Detection Switch)
Rear Door w/ Motor
Lock Assy RH
Courtesy Lamp Switch Assy Front RH
Courtesy Lamp Switch Assy Rear LH
Hazard Warning Signal Switch
Courtesy Lamp Switch Assy Rear RH
Hazard Warning Light
Rear Door w/ Motor
Lock Assy LH
05–702
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
867
Author:
Date:
2004 COROLLA (RM1037U)
LOCATION
057RW–01
B50657
T3
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–703
868
Author:
Date:
2004 COROLLA (RM1037U)
TERMINALS OF ECU
1.
INSPECT TVIP ECU
(a)
Inspect the ECU–B, DOME and ECU–IG fuses.
(b)
Disconnect the TVIP ECU connector, and the continuity and voltage of check each terminal of the dis-
connected connector.
Standard:
Symbols (Terminal No.)
Wiring Color
Condition
Specified Condition
+B1 (T3–2)
⇔
E (T3–29)
R–B
⇔
W–B
Constant
10 – 14 V
CTY (T3–19)
⇔
E (T3–29)
R
⇔
W–B
Passenger’s door fully closed
→
Opened
Rear right door fully closed
→
Opened
Rear left door fully closed
→
Opened
No continuity
→
Continuity
DSWD (T3–40)
⇔
E (T3–29)
R–W
⇔
W–B
Driver’s door fully closed
→
Opened
No continuity
→
Continuity
DSWL (T3–35)
⇔
E (T3–29)
R–W
⇔
W–B
Luggage’s door fully closed
→
Opened
No continuity
→
Continuity
KSW (T3–12)
⇔
E (T3–29)
L–B
⇔
W–B
No key in ignition switch lock cylinder
→
Key inserted
0 V
→
10 – 14 V
L2 (T3–16)
⇔
E (T3–29)
G
⇔
W–B
Driver’s door lock UNLOCK
→
LOCK
0 V
→
10 – 14 V
→
1 V or less
UL3 (T3–17)
⇔
E (T3–29)
L–Y
⇔
W–B
Driver’s door lock LOCK
→
UNLOCK
0 V
→
10 – 14 V
→
1 V or less
UL2 (T3–18)
⇔
E (T3–29)
L–B
⇔
W–B
Passenger’s door lock LOCK
→
UNLOCK
0 V
→
10 – 14 V
→
1 V or less
IRSG (T3–28)
⇔
E (T3–29)
W
⇔
W–B
Driver’s door lock LOCK
→
UNLOCK
Pulse generation
IG (T3–10)
⇔
E (T3–29)
B–W
⇔
W–B
Ignition switch OFF
→
ON
0 V
→
10 – 14 V
SRLY (T3–21)
⇔
E (T3–29)
B–R
⇔
W–B
Ignition switch OFF
→
ON
0 V
→
10 – 14 V
LSWD (T3–37)
⇔
E (T3–29)
W
⇔
W–B
Driver’s door lock UNLOCK
→
LOCK
0 V
→
10 – 14 V
LSWP (T3–38)
⇔
E (T3–29)
W–R
⇔
W–B
Passenger’s door lock UNLOCK
→
LOCK
0 V
→
10 – 14 V
If the result is not as specified, the vehicle’s side may malfunction.
B57790
Integration Relay Connector
(Wire Harness Side)
I11
05–704
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
869
Author:
Date:
2004 COROLLA (RM1037U)
(c)
Reconnect the TVIP ECU connector, and the continuity and voltage of check each terminal of the dis-
connected connector.
Standard:
Symbols (Terminal No.)
Wiring Color
Condition
Specified Condition
DMLP (T3–9)
⇔
E (T3–29)
R–W
⇔
W–B
Armed state
→
Alarm sounding state
Pulse generation
HEAD (T3–6)
⇔
E (T3–29)
R
⇔
W–B
Light control switch position HEAD
→
OFF or TAIL
1 V or less
→
10 – 14 V
HAZD (T3–8)
⇔
E (T3–29)
Y–B
⇔
W–B
Armed state
→
Alarm sounding state
Pulse generation
IND (T3–25)
⇔
E (T3–29)
R–W
⇔
W–B
Security indicator light lights up.
(It lights up only for 30 sec.)
10 – 14 V
IOUT (T3–11)
⇔
E (T3–29)
L
⇔
W–B
Armed state
→
Alarm sounding state (on grass breakage detection)
Pulse generation
HORN (T3–5)
⇔
E (T3–29)
G–Y
⇔
W–B
Armed state
→
Alarm sounding state
Pulse generation
E (T3–29)
⇔
Body ground
W–B
⇔
Body ground
Constant
Continuity
If the result is not as specified, the TVIP ECU may malfunction.
2.
INSPECT INTEGRATION RELAY
(a)
Disconnect the connector and check the continuity of each terminal of the disconnected connector.
Symbols (Terminal No.)
Wiring color
Condition
Specified Condition
PCTY (I11–13)
⇔
Body ground
R–W
⇔
Body ground
Passenger’s door fully closed
→
Opened
No continuity
→
Continuity
If the result is not as specified, the vehicle’s side may malfunction.
B59376
B59378
B59532
Instrument Panel J/B Side
IF
Instrument Panel J/B (Integration Relay)
ID
IH
IJ
Instrument Panel J/B Side
Instrument Panel J/B Side
Instrument Panel J/B Side
Connector IF
Connector ID
Connector IH
Connector IJ
IK
Instrument Panel J/B Side
Connector IK
Instrument Panel J/B Side
Connector IA
IA
IB
Instrument Panel J/B Side
Connector IB
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–705
870
Author:
Date:
2004 COROLLA (RM1037U)
3.
INSPECT INSTRUMENT PANEL J/B (INTEGRATION RELAY)
05–706
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
871
Author:
Date:
2004 COROLLA (RM1037U)
(a)
Inspect the DOOR fuse.
(b)
Disconnect the ID connector of the instrument panel J/B, and check the continuity of each terminal of
the disconnected connectors.
Standard:
Symbols (Terminal No.)
Wiring color
Condition
Specified Condition
DCTY (ID–1)
⇔
Body ground
R–W
⇔
Body ground
Driver’s door fully closed
→
Opened
PRCTY (ID–14)
⇔
Body ground
R–B
⇔
Body ground
Rear LH door fully closed
→
Opened
No continuity
→
Continuity
PRCTY (ID–15)
⇔
Body ground
R–Y
⇔
Body ground
Rear RH door fully closed
→
Opened
If the result is not as specified, the vehicle’s side may malfunction.
057RX–01
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–707
872
Author:
Date:
2004 COROLLA (RM1037U)
PROBLEM SYMPTOMS TABLE
Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot
each circuit.
HINT:
Troubleshooting of the TVIP system is based on the premise that the door lock control system and wireless
door lock control system is operating normally. Accordingly, before troubleshooting the TVIP system, first
make certain that the door lock control system and wireless door lock control system is operating normally.
Symptom
Suspected Area
See page
TVIP system cannot be set
1. Indicator light circuit
2. ECU power source circuit
3. Key unlock warning switch circuit
4. Door key lock and unlock switch circuit
5. Door unlock detection switch circuit
6. Door courtesy switch circuit
7. TVIP ECU communication circuit
05–708
05–710
05–727
05–738
05–736
05–733
05–740
Indicator light does not blink when TVIP system is set.
1. Indicator light circuit
05–708
TVIP system does not operate when front door is unlocked (when
TVIP system is set).
1. Door unlock detection switch circuit
05–736
TVIP system is not canceled when ignition key is turned to ON
position (when TVIP system is set).
1. Ignition switch circuit
2. Key unlock warning switch circuit
05–713
05–727
TVIP system still operates when door is opened with key (when
TVIP system is set).
1. Door key lock and unlock switch circuit
2. Door unlock detection switch circuit
05–738
05–736
Horns do not sound while TVIP system is in warning operation.
1. Horn relay circuit
05–716
Headlights do not flash while TVIP system is in warning
operation.
1. Light control switch circuit
05–719
Hazard warning do not flash while TVIP system is in warning
operation.
1. Hazard warning switch circuit
05–722
Door is not locked while TVIP system is in warning operation.
1. Door unlock detection switch circuit
05–736
TVIP system is still set even when rear door is open
1. Door courtesy switch circuit
05–733
Horns sound even when TVIP system is not set.
1. Horn relay circuit
05–716
Headlights stay on even when TVIP system is not set.
1. Light control switch circuit
05–719
Hazard warning stays on even when TVIP system is not set.
1. Hazard warning switch circuit
05–722
B59175
TVIP ECU
IND
25
3A
W–B
T3
IND
GND
R–W
J7
J/C
RH J/B
19
11
A
IG
2
1
S4
Security Indicator
W–B
3A
B59187
Security Indicator
05–708
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
873
Author:
Date:
2004 COROLLA (RM1037U)
INDICATOR LIGHT CIRCUIT
CIRCUIT DESCRIPTION
When the TVIP system is preparing to be set, this circuit lights up the indicator light. When the system has
been set, it continually turns the indicator light on for 0.2 seconds and turns it off for 1.8 seconds, thus the
indicator light blinks.
WIRING DIAGRAM
INSPECTION PROCEDURE
1
CHECK SECURITY INDICATOR LIGHT
(a)
Remove the security indicator.
(b)
Check the indicator light, as shown in the illustration and
table.
Standard:
Measuring condition
Operation
Battery positive (+)
⇔
Terminal 2
Battery negative (–)
⇔
Terminal 1
Indicator light comes on
NG
REPLACE SECURITY INDICATOR LIGHT
OK
057RY–01
B52239
B59192
B59594
Security Indicator
TVIP ECU
(Wire Harness Side)
T3
S4
(Wire Harness Side)
IND
IND (T3–25)
B59192
Security Indicator
S4
(Wire Harness Side)
GND
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–709
874
Author:
Date:
2004 COROLLA (RM1037U)
2
CHECK WIRE HARNESS (TVIP ECU
⇔
SECURITY INDICATOR)
(a)
Disconnect the TVIP ECU and security indicator connec-
tors.
(b)
Check the continuity between the terminals of the TVIP
ECU connector and security indicator connector, as
shown in the illustration and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Security indicator)
Specified condition
IND (T3–25)
⇔
IND (S4–2)
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
3
CHECK WIRE HARNESS (SECURITY INDICATOR
⇔
BODY GROUND)
(a)
Disconnect the security indicator connector.
(b)
Check the continuity between the terminal of the security
indicator connector and body ground, as shown in the il-
lustration and table.
Standard:
Symbol (Terminal No.)
(Security indicator
⇔
Body ground)
Specified condition
GND (S4–1)
⇔
Body ground
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
CHECK AND REPLACE TVIP ECU (See page
01–30
)
I24315
B59176
TVIP ECU
+B1
E
FL MAIN
Battery
2
29
W
Engine Room J/B
RH J/B
W–B
B
1
1A
1
1C
ALT
1
2
1
IB
1
IH
ECU–B
Instrument Panel J/B
R–B
T3
T3
11
3A
19
3A
W–B
A
IG
J7
J/C
05–710
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
875
Author:
Date:
2004 COROLLA (RM1037U)
ECU POWER SOURCE CIRCUIT
CIRCUIT DESCRIPTION
This circuit provides power to operate the TVIP ECU.
WIRING DIAGRAM
057RZ–02
I24329
ECU–B Fuse
Instrument Panel J/B
B52239
+B1 (2)
T3
E (29)
TVIP ECU
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–711
876
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK FUSE (ECU–B)
(a)
Remove the fuse from the instrument panel J/B.
(b)
Check the continuity of the fuse.
Standard: Continuity
NG
REPLACE FUSE
OK
2
CHECK TVIP ECU
(a)
Disconnect the TVIP ECU connector.
(b)
Measure the voltage between the terminals of the ECU
connector, as shown in the illustration and table.
Standard:
Symbols (Terminal No.)
Specified condition
+B1 (T3–2)
⇔
E (T3–29)
10 – 14 V
E (T3–29)
⇔
Body ground
0 V
NG
PROCEED TO NEXT CIRCUIT INSPECTION
SHOWN ON PROBLEM SYMPTOMS TABLE
(See page
05–707
)
OK
B52239
T3
E (29)
TVIP ECU
05–712
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
877
Author:
Date:
2004 COROLLA (RM1037U)
3
CHECK WIRE HARNESS (TVIP ECU
⇔
BODY GROUND)
(a)
Disconnect the TVIP ECU connector.
(b)
Check the connector on the harness side, as shown in the
illustration and table.
Standard:
Symbols (Terminal No.)
Specified condition
E (T3–29)
⇔
Body ground
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
CHECK AND REPLACE TVIP ECU (See page
01–30
)
B59177
10
IG
FL MAIN
Battery
Instrument Panel J/B
IG1 Relay
ECU–IG
9
IF
B–W
W–B
W
B–Y
AM1
IG1
I10
Ignition SW
ALT
Engine Room J/B
1
1C
J6
J/C
A
IE
1
2
W
1
1D
J7
J/C
A
IG
1
2
1
1A
B
T3
10
IH
4
IF
1
IB
3
5
1
2
1
2
IF
12
IF
AM1
W
W–B
IA
TVIP ECU
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–713
878
Author:
Date:
2004 COROLLA (RM1037U)
IGNITION SWITCH CIRCUIT
CIRCUIT DESCRIPTION
If the ignition switch is turned to the ON position, battery positive voltage is applied to the switches, such as
terminal IG of the ECU.
WIRING DIAGRAM
057S0–01
B51200
I24329
ECU–B Fuse
Instrument Panel J/B
B16200
05–714
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
879
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK IGNITION OR STARTER SWITCH ASSY
(a)
Check the ignition switch, as shown in the illustration and
table.
Standard:
Terminal No.
Switch position
Specified condition
–
LOCK
–
1
⇔
3
ACC
Continuity
1
⇔
2
⇔
3
ON
Continuity
1
⇔
2
⇔
3
5
⇔
6
ON
Continuity
1
⇔
2
START
Continuity
1
⇔
2
4
⇔
5
⇔
6
START
Continuity
NG
REPAIR OR REPLACE IGNITION OR STARTER
SWITCH ASSY
OK
2
CHECK FUSE (ECU–B)
(a)
Remove the fuse from the instrument panel J/B.
(b)
Check the continuity of the fuse.
Standard: Continuity
NG
REPLACE FUSE
OK
3
CHECK RELAY (Marking: IG1)
(a)
Remove the relay from the instrument J/B.
(b)
Inspect the relay continuity, as shown in the illustration
and table.
Standard:
Terminal No.
Condition
Specified condition
1
⇔
2
Constant
Continuity
3
⇔
5
Apply B+ between
terminals 1 and 2
Continuity
NG
REPLACE RELAY
OK
B52239
T3
IG (10)
TVIP ECU
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–715
880
Author:
Date:
2004 COROLLA (RM1037U)
4
CHECK TVIP ECU
(a)
Disconnect the TVIP ECU connector.
(b)
Turn the ignition switch ON.
(c)
Measure the voltage between the terminal of the ECU
connector and the body ground, as shown in the illustra-
tion and table.
Standard:
Symbols (Terminal No.)
Specified condition
IG (T3–10)
⇔
Body ground
10 – 14 V
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
CHECK AND REPLACE TVIP ECU (See page
01–30
)
B59178
TVIP ECU
C10
Combination
SW
Engine Room J/B and R/B
HORN
5
T3
G–Y
18
IA5
B
Horn
Battery
FL MAIN
B
HORN Relay
B–W
1
3
5
1
2
HORN
G–Y
1
B–W
1
1
2
1
1A
1
1
1
1
G–Y
G–Y
G–Y
Center J/B
4A
12
4A
13
H6
Horn Low Pitched
Horn Assy (Horn)
05–716
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
881
Author:
Date:
2004 COROLLA (RM1037U)
HORN RELAY CIRCUIT
CIRCUIT DESCRIPTION
When the TVIP system is transferred from the armed state to the alarm sounding state, the TVIP ECU
switches on the HORN relay so that it can sound the horns. The horn sounds in 0.4 seconds interval.
WIRING DIAGRAM
057S1–01
I11656
B16200
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–717
882
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK LOW PITCHED HORN ASSY
(a)
Connect the positive (+) lead from the battery to the termi-
nal and negative (–) lead to the horn body, and check that
the horn blows.
NG
REPAIR OR REPLACE LOW PITCHED HORN
ASSY
OK
2
CHECK RELAY (Marking: HORN)
(a)
Remove the relay from the engine room J/B.
(b)
Check the horn relay continuity, as shown in the illustra-
tion and table.
Standard:
Terminal No.
Condition
Specified condition
1
⇔
2
Constant
Continuity
3
⇔
5
Apply B+ between
terminals 1 and 2
Continuity
NG
REPLACE RELAY
OK
B59602
B52239
B59603
TVIP ECU
(Wire Harness Side)
T3
Horn (5)
Engine Room J/B
1
2
3
5
Horn Relay
B59193
B59602
B59595
Horn
H6
(Wire Harness Side)
Engine Room J/B
1
2
3
5
HORN Relay
05–718
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
883
Author:
Date:
2004 COROLLA (RM1037U)
3
CHECK WIRE HARNESS (TVIP ECU
⇔
ENGINE ROOM J/B)
(a)
Remove the horn relay from the engine room J/B.
(b)
Check the continuity between the terminals of the TVIP
ECU and engine room J/B connectors, as shown in the il-
lustration and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Engine room J/B)
Specified condition
HORN (T3–5)
⇔
2*
Continuity
*: Horn relay terminal.
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
4
CHECK WIRE HARNESS (ENGINE ROOM J/B
⇔
HORN)
(a)
Check the continuity between the terminals of the engine
room J/B and horn connectors, as shown in the illustration
and table.
Standard:
Symbols (Terminal No.)
(Engine room J/B
⇔
Horn)
Specified condition
3*
⇔
Horn (H6–1)
Continuity
*: Horn relay terminal.
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
CHECK AND REPLACE TVIP ECU (See page
01–30
)
B59179
TVIP ECU
C12
Combination SW
(Light Control Switch)
HEAD
6
T3
IE
A
J6
J/C
W–B*
1
10
21
4B
R
12
Light
Control
SW
OFF
Tail
Head
+B
T
RF
H
EL
Center J/B
G*
2
11
4B
2
IC
Instrument Panel J/B
2
IL
W–B*
1
J1
J/C
G*
2
G*
2
W–B
F4
Front
Parking
Light RH
F3
Front
Parking
Light LH
ED
EA
*
1
: USA
*
2
: Canada
G
A
A
1
2
1
2
A
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–719
884
Author:
Date:
2004 COROLLA (RM1037U)
LIGHT CONTROL SWITCH CIRCUIT
WIRING DIAGRAM
057S2–03
B59189
B52239
B59592
Light Control Switch
TVIP ECU
(Wire Harness Side)
T3
C12
(Wire Harness Side)
HEAD (6)
RF (12)
05–720
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
885
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK HEADLAMP DIMMER SWITCH ASSY (LIGHT CONTROL SWITCH)
(See page
65–7
)
NG
REPLACE HEADLAMP DIMMER SWITCH ASSY
(LIGHT CONTROL SWITCH)
OK
2
CHECK WIRE HARNESS (TVIP ECU
⇔
LIGHT CONTROL SWITCH)
(a)
Disconnect the TVIP ECU and light control switch con-
nectors.
(b)
Check the continuity between the terminals of the TVIP
ECU and light control switch connectors, as shown in the
illustration and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Light control switch)
Specified condition
HEAD (T3–6)
⇔
RF (C12–12)
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
B59189
Light Control Switch
C12
(Wire Harness Side)
T (10)
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–721
886
Author:
Date:
2004 COROLLA (RM1037U)
3
CHECK WIRE HARNESS (LIGHT CONTROL SWITCH
⇔
BODY GROUND)
(a)
Disconnect the light control switch connector.
(b)
Check the continuity between the terminal of the light con-
trol switch connector and the body ground, as shown in
the illustration and table.
Standard:
Symbols (Terminal No.)
(Light control switch
⇔
Body ground)
Specified condition
T (C12–10)
⇔
Body ground
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
(See page
05–707
)
B59180
TVIP ECU
*
1
: w/ Wireless Door Lock
*
2
: w/o Wireless Door Lock
HAZD
8
T3
T2
Turn Signal Flasher Relay
H7
Hazard Warning Signal
Switch Assy (Hazard SW)
RH J/B
Y–B*
1
2
3C
2
3
A
IG
J7
J/C
HAZ
8
Y–B
Y–B*
1
W–B
W–B*
1
3
3C
21
3A
11
3A
Y–B*
1
Y–B*
2
05–722
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
887
Author:
Date:
2004 COROLLA (RM1037U)
HAZARD WARNING SWITCH CIRCUIT
CIRCUIT DESCRIPTION
When the TVIP system is transferred to the alarm sounding state from the armed state, the signal flasher
assembly (relay for hazard warning lights) will be switched ON and the hazard warning lights will start blink-
ing.
WIRING DIAGRAM
057S3–03
B59609
No Pin (6)
No Pin (1)
B59600
B52239
B59593
Turn Signal Flasher Relay
(Wire Harness Side)
T2
TVIP ECU
(Wire Harness Side)
T3
HAZD (8)
HAZ (8)
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–723
888
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK HAZARD WARNING SIGNAL SWITCH ASSY
(a)
Check the hazard warning switch continuity, as shown in
the illustration and table.
Standard:
Terminal No.
Switch position
Specified condition
–
Switch OFF
Continuity
2
⇔
3
Switch ON
Continuity
4
⇔
5
Illumination circuit
Continuity
4
⇔
5
Illumination circuit
Continuity
NG
REPLACE HAZARD WARNING SIGNAL SWITCH
ASSY
OK
2
CHECK TURN SIGNAL FLASHER ASSY (See page
65–4
)
NG
REPLACE TURN SIGNAL FLASHER ASSY
OK
3
CHECK WIRE HARNESS (TVIP ECU
⇔
TURN SIGNAL FLASHER)
(a)
Disconnect the TVIP ECU and turn signal flasher connec-
tors.
(b)
Check the continuity between the terminals of the TVIP
ECU and turn signal flasher connectors, as shown in the
illustration and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Turn Signal Flasher)
Specified condition
HAZD (T3–8)
⇔
HAZ (T2–8)
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
B31237
Hazard Warning Switch
(Wire Harness Side)
H7
05–724
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
889
Author:
Date:
2004 COROLLA (RM1037U)
4
CHECK WIRE HARNESS (HAZARD WARNING SWITCH
⇔
BODY GROUND)
(a)
Disconnect the hazard warning switch connector.
(b)
Check the continuity between the terminal of the hazard
warning switch connector and the body ground, as shown
in the illustration and table.
Standard:
Symbols (Terminal No.)
(Hazard warning SW
⇔
Body ground)
Specified condition
H7–2
⇔
Body ground
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
CHECK AND REPLACE TVIP ECU (See page
01–30
)
I24321
B59181
TVIP ECU
Engine Room J/B and R/B
SRLY
21
T3
Battery
FL MAIN
S8
Starter Cut Relay
Instrument Panel J/B
ECM
Starter
STA
9
E4
B (M/T)
B (A/T)
B–R
B–W
B
2
1
3
4
W–B
4
IF
II1
7
A
IE
J6
J/C
1
S3
1
S2
B–R
B–R
2
IA4
MAIN
2
1
B–R
J2
G
J/C
II2
11
B (A/T)
B
B
B
1
1
1A
B
11
IL
1
IM
2
1
5
3
ST Relay
3
IM
J2
G
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–725
890
Author:
Date:
2004 COROLLA (RM1037U)
STARTER CUT RELAY CIRCUIT
CIRCUIT DESCRIPTION
When the TVIP system operates, the TVIP ECU controls the starter cut relay so that the relay should not
be turned on and consequently the starter can not crank the engine.
WIRING DIAGRAM
057S4–01
I24337
1
4
3
2
B52239
T3
SRLY (21)
TVIP ECU
05–726
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
891
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK RELAY (Marking: STARTER CUT)
(a)
Inspect the relay continuity, as shown in the illustration
and table.
Standard:
Terminal No.
Condition
Specified condition
1
⇔
2
Constant
Continuity
3
⇔
4
Apply B+ between
terminals 1 and 2
Continuity
NG
REPLACE RELAY
OK
2
CHECK TVIP ECU
(a)
Disconnect the TVIP ECU connector.
(b)
Turn the ignition switch position to the START.
(c)
Measure the voltage between the terminal of the ECU
connector and the body ground, as shown in the illustra-
tion and table.
Standard:
Symbols (Terminal No.)
Specified condition
SRLY (T3–21)
⇔
Body ground
10 – 14 V
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
CHECK AND REPLACE TVIP ECU (See page
01–30
)
I24320
B59182
TVIP ECU
KSW
1
2
12
U1
Unlock
Warning SW
J6
J/C
A
IE
W–B
L–B
T3
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–727
892
Author:
Date:
2004 COROLLA (RM1037U)
KEY UNLOCK WARNING SWITCH CIRCUIT
CIRCUIT DESCRIPTION
The key unlock warning switch comes on when the ignition key is inserted in the key cylinder and goes off
when the ignition key is removed.
WIRING DIAGRAM
057S5–01
B51903
Push
Free
Unlock Warning Switch
Unlock Warning Switch
B59296
B52239
B59596
Unlock Warning Switch
TVIP ECU
(Wire Harness Side)
T3
U1
(Wire Harness Side)
1
2
KSW (12)
05–728
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
893
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK UN–LOCK WARNING SWITCH ASSY
(a)
Disconnect the key unlock warning switch connector.
(b)
Check the continuity between the terminals of the key un-
lock warning switch connector, as shown in the illustration
and table.
Standard:
Terminal No.
Switch position
Specified condition
1
⇔
2
Push (Key inserted)
Continuity
1
⇔
2
Free (Key removed)
No continuity
NG
REPLACE UN–LOCK WARNING SWITCH ASSY
OK
2
CHECK WIRE HARNESS (TVIP ECU
⇔
UNLOCK WARNING SWITCH)
(a)
Disconnect the TVIP ECU and key unlock warning switch
connectors.
(b)
Check the continuity between the terminals of the TVIP
ECU connectors and unlock warning switch connector, as
shown in the illustration and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Unlock warning switch)
Specified condition
KSW (T3–12)
⇔
U1–2
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
B59296
Unlock Warning Switch
U1
(Wire Harness Side)
1
2
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–729
894
Author:
Date:
2004 COROLLA (RM1037U)
3
CHECK WIRE HARNESS (KEY UNLOCK WARNING SWITCH
⇔
BODY GROUND)
(a)
Disconnect the key unlock warning switch connector.
(b)
Check the continuity between the terminal of the key un-
lock warning switch connector and the body ground, as
shown in the illustration and table.
Standard:
Terminal No.
(Key unlock warning SW
⇔
Body ground)
Specified condition
U1–1
⇔
Body ground
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
CHECK AND REPLACE TVIP ECU (See page
01–30
)
I24322
B59183
TVIP ECU
S4
Security Indicator
(Glass Breakage Sensor)
G3
Glass Breakage Sensor ECU
Instrument Panel J/B
Engine Room J/B
I10 Ignition SW
Battery
FL MAIN
ALT
AM1
IG1
AM1
ECU–B
R–B
IG1 Relay
ECU–IG
1
IA
W
(Shielded)
SMIC
SMCE
3
4
IOUT
11
T3
L
B–W
MIC
IOUT
GMIC
GND
S+B
TRIG
1
1D
1C
J6
J/C
A
IE
1
1A
2
IF
12
IF
1
IH
9
IF
4
IF
1
IB
1
2
B–Y
W
W
W
W–B
B–W
5
1
2
3
4
5
1
3
6
8
W
R–B
B
1
1
2
W–B
W–B
J7
J/C
A
IG
19
11 3A
3A
RH J/B
Microphone
W–B
W
05–730
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
895
Author:
Date:
2004 COROLLA (RM1037U)
GLASS BREAKAGE SENSOR CIRCUIT
CIRCUIT DESCRIPTION
The microphone of the grass breakage sensor is built in the security indicator. When this microphone senses
breakage of grass, the grass breakage sensor ECU sends the signal of this breakage to the TVIP ECU.
WIRING DIAGRAM
057S6–01
I24334
Connector connected
G3
B59576
TVIP ECU
(Wire Harness Side)
Glass Breakage Sensor ECU
(Wire Harness Side)
IOUT (3)
T3
G3
IOUT (11)
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–731
896
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK SECURITY INDICATOR LIGHT
(a)
Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered.
OK
NO PROBLEM
NG
2
CHECK GLASS BREAKAGE SENSOR ECU (GLASS BREAKAGE SENSOR)
(a)
Check the continuity and voltage of the glass breakage
sensor
ECU
, as shown in the illustration and table.
Standard:
Terminal No.
Condition
Specified condition
G3–1
⇔
Body ground
Constant
Battery voltage
G3–3
⇔
Body ground
Constant
Pulse generation
G3–5
⇔
Body ground
Constant
Continuity
G3–8
⇔
Body ground
Ignition switch ON
Battery voltage
NG
CHECK AND REPLACE GLASS BREAKAGE
SENSOR ECU (See page
01–30
)
OK
3
CHECK WIRE HARNESS (TVIP ECU
⇔
GLASS BREAKAGE SENSOR ECU)
(a)
Disconnect the TVIP ECU and glass breakage sensor
ECU connectors.
(b)
Check the continuity and between the connectors on the
harness side, as shown in the illustration and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Sensor ECU)
Specified condition
IOUT (T3–11)
⇔
IOUT (G3–3)
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
I24334
G3
Glass Breakage Sensor ECU
(Wire Harness Side)
05–732
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
897
Author:
Date:
2004 COROLLA (RM1037U)
4
CHECK WIRE HARNESS (GLASS BREAKAGE SENSOR ECU
⇔
BODY GROUND)
(a)
Disconnect the glass breakage sensor ECU connector.
(b)
Check the continuity between the terminal of the glass
breakage sensor ECU connector and the body ground, as
shown in the illustration and table.
Standard:
Symbols (Terminal No.)
(Glass breakage sensor
⇔
Body ground)
Specified condition
GND (G3–6)
⇔
Body ground
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
CHECK AND REPLACE TVIP ECU (See page
01–30
)
B59184
I11
Integration Relay
TVIP ECU
D5
Door Courtesy SW
Front RH
D4
Door Courtesy SW Front LH
L4
Luggage Compartment
Light SW
D7
Door Courtesy SW
Rear RH
D6
Door Courtesy SW Rear LH
DMLP
9
T3
R–W
PCTY
LP
PRCTY
DCTY
13
3
6
5
R–W
R–W
1
4
IK
3
IL
1
ID
R
R–W
R–W
1
R–W
J10
J/C
A
A
R–Y
1
1
R–B
15
ID
14
ID
CTY
19
T3
DSWD
40
T3
R–W
1
DSWL
35
T3
R–W
ID2
R–W
11
Instrument Panel J/B
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–733
898
Author:
Date:
2004 COROLLA (RM1037U)
DOOR COURTESY SWITCH CIRCUIT
CIRCUIT DESCRIPTION
The door courtesy switch turns ON when the door is opened and OFF when the door is closed.
WIRING DIAGRAM
057S7–01
B59818
Push
Free
B59191
B60033
B59599
(Wire Harness Side)
Integration Relay
(Wire Harness Side)
I11
D5
Door Courtesy SW Front RH
05–734
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
899
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK COURTESY LAMP SWITCH
(a)
Check the courtesy switch, as shown in the illustration
and table.
Standard:
Terminal No.
Switch position
Specified condition
1
⇔
Body ground
Push
Continuity
1
⇔
Body ground
Free
No continuity
NG
REPLACE COURTESY LAMP SWITCH
OK
2
CHECK WIRE HARNESS (INTEGRATION RELAY
⇔
DOOR COURTESY SW)
(a)
Disconnect the integration relay and door courtesy con-
nectors.
(b)
Check the continuity between the terminals of the integra-
tion relay and door courtesy switch connectors, as shown
in the illustration and table.
Standard:
Terminal No.
(Integration relay
⇔
Door courtesy SW)
Specified condition
I11–13
⇔
D5–1
Continuity
B59191
B59527
B59598
(Wire Harness Side)
Integration Relay (Instrument Panel J/B)
(Wire Harness Side)
ID
D6
Door Courtesy SW Front LH
Door Courtesy SW Rear RH
Door Courtesy SW Rear LH
D4
D7
B59191
B52239
B59597
TVIP ECU
(Wire Harness Side)
T3
L4
(Wire Harness Side)
Luggage Compartment Light SW
DSWL (35)
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–735
900
Author:
Date:
2004 COROLLA (RM1037U)
(c)
Disconnect the each door courtesy switch connectors.
(d)
Check the continuity between the terminals of the integra-
tion relay and door courtesy switch connectors, as shown
in the illustration and table.
Standard:
Terminal No.
(Integration relay
⇔
Door courtesy SW)
Specified condition
ID–1
⇔
D4–1
ID–15
⇔
D7–1
Continuity
ID–14
⇔
D6–1
y
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
3
CHECK WIRE HARNESS (TVIP ECU
⇔
LUGGAGE COMPARTMENT LIGHT SW)
(a)
Disconnect the TVIP ECU and luggage comportment
light switch connectors.
(b)
Check the continuity between the terminals of the TVIP
ECU and luggage compartment light switch connectors,
as shown in the illustration and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Luggage compartment light SW)
Specified condition
DSWL (T3–35)
⇔
L4–1
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
(See page
01–30
)
I24325
B59186
D8
Door Key Lock and Unlock SW Front LH
Door Lock Motor Front LH
Door Unlock Detection SW Front LH
D9
Door Key Lock and Unlock SW Front RH
Door Lock Motor Front RH
Door Unlock Detection SW Front RH
UL3
17
T3
L2
W–B
W–B
16
T3
6
IC1
J6
J/C
W–B
J7
J/C
A
IE
IG
A
TVIP ECU
Unlock
Lock
L–Y
Center J/B
G
2
4A
UL2
1
4A
18
T3
G
L–Y
10
IC1
11
IC1
G
G
G
G
G
7
9
10
L–B
11
IJ2
10
IJ2
L–B
6
5
Unlock
Lock
8
1
IJ2
W–B
05–738
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
903
Author:
Date:
2004 COROLLA (RM1037U)
DOOR KEY LOCK AND UNLOCK SWITCH CIRCUIT
CIRCUIT DESCRIPTION
The door key lock and unlock switch is built in the door lock motor.
WIRING DIAGRAM
057S9–01
4
3
1
2
6
5
8
7
9 10
B58512
B52239
B59591
Passenger’s Door Lock
TVIP ECU
(Wire Harness Side)
T3
D8
D9
(Wire Harness Side)
Driver’s Door Lock
L2 (16)
UL3 (17)
UL2 (18)
4
3
1
2
6
5
8
7
9 10
B58512
B59773
Passenger’s Door Lock
D8
D9
(Wire Harness
Side)
Driver’s Door Lock
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–739
904
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK DOOR LOCK (See page
73–3
)
NG
REPLACE DOOR LOCK
OK
2
CHECK WIRE HARNESS (TVIP ECU
⇔
DOOR LOCK)
(a)
Disconnect the TVIP ECU and door lock connectors.
(b)
Check the continuity between the terminals of the TVIP
ECU and door lock connectors, as shown in the illustra-
tion and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Door lock)
Specified condition
UL3 (T3–17)
⇔
D8–10
L2 (T3–16)
⇔
D8–9
Continuity
L2 (T3–16)
⇔
D9–6
Continuity
UL2 (T3–18)
⇔
D9–5
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
3
CHECK WIRE HARNESS (DOOR LOCK
⇔
BODY GROUND)
(a)
Disconnect the door lock connector.
(b)
Check the continuity between the terminal of the door lock
connector and the body ground, as shown in the illustra-
tion and table.
Standard:
Symbols (Terminal No.)
(Door lock
⇔
Body ground)
Specified condition
D9–8
⇔
Body ground
Continuity
D8–7
⇔
Body ground
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
(See page
05–707
)
I24324
B59185
TVIP ECU
D9
Door Key Lock and Unlock SW Front RH
Door Lock Motor Front RH
Door Unlock Detection SW Front RH
D8
Door Key Lock and Unlock SW Front LH
Door Lock Motor Front LH
Door Unlock Detection SW Front LH
Detection
Detection
LSWP
38
T3
W–R
3
IJ2
7
8
LSWD
1
IJ2
W–B
W–B
37
T3
W
3
IC1
6
IC1
W–B
J6
J/C
W–B
8
7
J7
J/C
A
IE
IG
A
W–R
W
05–736
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
901
Author:
Date:
2004 COROLLA (RM1037U)
DOOR UNLOCK DETECTION SWITCH CIRCUIT
CIRCUIT DESCRIPTION
The door unlock detection switch is built in the door lock motor assembly. This switch is ON when the door
lock knob is in the unlock position and OFF when the knob is in the lock position. The ECU detects the door
lock knob conditions in this circuit.
WIRING DIAGRAM
057S8–01
4
3
1
2
6
5
8
7
9 10
B58512
B52239
B59591
Passenger’s Door Lock
TVIP ECU
(Wire Harness Side)
T3
D8
D9
(Wire Harness Side)
Driver’s Door Lock
LSWP (38)
LSWD (37)
4
3
1
2
6
5
8
7
9 10
B58512
B59773
Passenger’s Door Lock
D8
D9
(Wire Harness
Side)
Driver’s Door Lock
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–737
902
Author:
Date:
2004 COROLLA (RM1037U)
INSPECTION PROCEDURE
1
CHECK DOOR LOCK (See page
73–3
)
NG
REPLACE DOOR LOCK
OK
2
CHECK WIRE HARNESS (TVIP ECU
⇔
DOOR LOCK)
(a)
Disconnect the TVIP ECU and door lock connectors.
(b)
Check the continuity between the terminals of the TVIP
ECU and door lock connectors, as shown in the illustra-
tion and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Door lock)
Specified condition
LSWD (T3–37)
⇔
D8–8
Continuity
LSWP (T3–38)
⇔
D9–7
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
3
CHECK WIRE HARNESS (DOOR LOCK
⇔
BODY GROUND)
(a)
Disconnect the door lock connector.
(b)
Check the continuity between the terminal of the door lock
connector and the body ground, as shown in the illustra-
tion and table.
Standard:
Terminal No.
(Door lock
⇔
Body ground)
Specified condition
D9–8
⇔
Body ground
Continuity
D8–7
⇔
Body ground
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
(See page
05–707
)
I24326
B59563
TVIP ECU
I11
Integration Relay
TVSS
26
W
28
T3 IRSG
05–740
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
905
Author:
Date:
2004 COROLLA (RM1037U)
TVIP ECU COMMUNICATION CIRCUIT
CIRCUIT DESCRIPTION
The wireless receiver receives a SET/UNSET signal for the TVIP system and sends the signal to the TVIP
ECU via the integration relay.
WIRING DIAGRAM
INSPECTION PROCEDURE
1
CHECK TVIP ECU
(a)
Check that the operation of the TVIP function is normal.
HINT:
With this inspection, the TVIP ECU CPU can be diagnosed if it works normally or not.
NG
CHECK AND REPLACE TVIP ECU
(See page
01–30
)
OK
057SA–01
B59601
Integration Relay
TVIP ECU
(Wire Harness Side)
T3
I11
(Wire Harness Side)
IRSG (28)
TVSS (26)
–
DIAGNOSTICS
TOYOTA VEHICLE INTRUSION PROTECTION
SYSTEM
05–741
906
Author:
Date:
2004 COROLLA (RM1037U)
2
CHECK WIRE HARNESS (TVIP ECU
⇔
INTEGRATION RELAY)
(a)
Disconnect the TVIP ECU and integration relay connec-
tors.
(b)
Check the continuity between the terminal of the TVIP
ECU connector and integration relay connectors, as
shown in the illustration and table.
Standard:
Symbols (Terminal No.)
(TVIP ECU
⇔
Integration relay)
Specified condition
IRSG (T3–28)
⇔
TVSS (I11–26)
Continuity
NG
REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR
OK
CHECK AND REPLACE TVIP ECU (See page
01–30
)