Information and Entertainment System - General Information -
Information and Entertainment System

Mondeo 2007.5 (02/2007-)

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Diagnosis and Testing

Refer to Wiring Diagrams Section 415-00, for schematic and connector information.

General Equipment

Inspection and Verification

1.

1. Verify the customer concern.

2.

2. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart

3.

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.

4.

4. If the cause is not visually evident, verify the symptom and refer to the Self-Diagnostic Mode.

Self-Diagnostic Mode - Low Series Audio Unit

NOTE: The audio unit must be in radio mode before entering the Self-Diagnostic Mode.

1.

1. To enter the audio unit Self-Diagnostic Mode, switch the audio unit ON. Within four seconds press the preset buttons 3 and 6 together.

2.

2. Release the preset buttons 3 and 6 and the audio unit will enter the Self-Diagnostic Mode.

3.

3. To exit the Self-Diagnostic Mode, switch the audio unit OFF.

Self-Diagnostic Mode

4.

4. If the cause is not evident after the Self-Diagnostic Mode, connect the

Ford approved diagnostic tool

to the data link connector (DLC).

5.

5. Retrieve the Diagnostic Trouble Code (DTC)s and refer to the DTC Index Chart.

Self-Diagnostic Mode - High Series Audio Unit

NOTE: The audio unit must be in radio mode before entering the Self-Diagnostic Mode.

1.

1. To enter the audio unit Self-Diagnostic Mode, switch the audio unit ON. Within four seconds press the preset button 4 and TA together.

2.

2. Release the preset button 4 and TA and the audio unit will enter the Self-Diagnostic Mode.

3.

3. To exit the Self-Diagnostic Mode, switch the audio unit OFF.

Self-Diagnostic Mode

4.

4. If the cause is not evident after the Self-Diagnostic Mode, connect the

Ford approved diagnostic tool

to the data link connector (DLC).

5.

5. Retrieve the Diagnostic Trouble Code (DTC)s and refer to the relevant DTC Index Chart.

Diagnostic Trouble Code (DTC) Index Chart - Low Series Audio Unit

Ford approved diagnostic tool

Mechanical

Electrical



Audio unit



Antenna



Foreign objects contacting speaker



Trim poorly fitted/resonance



Audio control switch (if equipped)



Digital versatile disc (DVD) player



Compact disc (CD) changer



Fuse(s)



Wiring harness



Electrical connector(s)



Audio unit



Audio control switch (if equipped)



Generic electronic module (GEM)



Video display



DVD player



CD changer



Auxiliary input device

Message Displayed

Circuit Tested

1. 4CH LF for four channel system 2CH LF for two channel system

Left hand front speaker circuit

2. 4CH RF for four channel system 2CH RF for two channel system

Right hand front speaker circuit

3. 4CH LR for four channel system

Left hand rear speaker circuit

4. 4CH RR for four channel system

Right hand rear speaker circuit

5. XX.X (frequency) SEEKING

Antenna cable

6. XXXXXXXX (name of radio station)

Active FM frequency radio station found (audible for 2 seconds)

Message Displayed

Circuit Tested

1. 4CH LF for four channel system 2CH LF for two channel system

Left hand front speaker circuit

2. 4CH RF for four channel system 2CH RF for two channel system

Right hand front speaker circuit

3. 4CH LR for four channel system

Left hand rear speaker circuit

4. 4CH RR for four channel system

Right hand rear speaker circuit

5. XX.X (frequency) SEEKING

Antenna cable

6. XXXXXXXX (name of radio station)

Active FM frequency radio station found (audible for 2 seconds)

DTC

Description/Condition

Possible Source

Action

B1342

Audio unit internal failure

Audio unit

INSTALL a new audio unit.

REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment

System, Removal and Installation).

B2403

CD player internal failure

Audio unit

INSTALL a new audio unit.

REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment

System, Removal and Installation).

B2404

Audio control switch circuit

failure

Audio control

switch

GO to Pinpoint Test

G.

B2406

CD player internal failure

Audio unit

INSTALL a new audio unit.

REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment

System, Removal and Installation).

B2408

Speaker line short circuit

Speaker(s)

GO to Pinpoint Test

E.

B2409

AM receiving signal error

Antenna cable

GO to Pinpoint Test

B.

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Diagnostic Trouble Code (DTC) Index Chart - High Series Audio Unit

1.

1. If the cause is still not evident or no DTCs are retrieved, refer to the Symptom Chart.

Symptom Chart

Pinpoint Tests

NOTE: Use a digital multimeter for all electrical measurements.

B2410

FM receiving signal error

Antenna cable

GO to Pinpoint Test

B.

B2477 Module configuration failure

Audio unit and

GEM

REFER to the Ford approved diagnostic tool.

P1628 Module ignition supply input

GEM

REFER to the Ford approved diagnostic tool.

DTC

Description/Condition

Possible Source

Action

$U3000

Audio unit internal failure

Audio unit

INSTALL a new audio unit.

REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01

Information and Entertainment System, Removal and Installation).

$B1A01

Speaker line short circuit

Speaker(s)

GO to Pinpoint Test

E.

$U2100

Module configuration failure

Audio unit and central

junction box (CJB)

REFER to the Ford approved diagnostic tool.

$U2101

Module configuration failure

Audio unit and central

junction box (CJB)

REFER to the Ford approved diagnostic tool.

$U0155 Lost communication with instrument

cluster

Controller area network

(CAN)

REFER to:

Communications Network

(418-00 Module Communications Network,

Diagnosis and Testing).

$U0238

Lost communication with voice

recognition module

CAN

REFER to:

Communications Network

(418-00 Module Communications Network,

Diagnosis and Testing).

$U0187 Lost communication with CD changer

CAN

REFER to:

Communications Network

(418-00 Module Communications Network,

Diagnosis and Testing).

$U0140

Lost communication with GEM

CAN

REFER to:

Communications Network

(418-00 Module Communications Network,

Diagnosis and Testing).

$B10BC

Audio control switch circuit failure

Audio control switch

GO to Pinpoint Test

G.

Symptom

Possible Sources

Action

The audio unit is inoperative/does not operate
correctly

Circuit(s).
Audio unit.

*
*

GO to Pinpoint Test

A.

*

The audio unit display is blank - radio and CD
player operate

Audio unit.

*

INSTALL a new audio unit.

REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01

Information and Entertainment System, Removal and Installation).

*

Poor reception

Antenna.
Antenna cable.
Audio unit.

*
*
*

GO to Pinpoint Test

B.

*

Poor quality/distorted sound from one or more
speakers (not all speakers)

Speaker(s).
Circuit(s).
Audio unit.

*
*
*

For concern with the main speakers, GO to Pinpoint Test

C.

For concern with the tweeter speakers, GO to Pinpoint Test

D.

*
*

No sound from all speakers

Audio unit.

*

INSTALL a new audio unit.

REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01

Information and Entertainment System, Removal and Installation).
TEST the system for normal operation.

*

No sound from one or more of the speakers (not
all speakers)

Speaker(s).
Circuit(s).
Audio unit.

*
*
*

For concern with the main speakers, GO to Pinpoint Test

E.

For concern with the tweeter speakers, GO to Pinpoint Test

F.

*
*

The auxiliary audio control is inoperative/does
not operate correctly.

Circuit(s).
Auxiliary audio control

switch.

Audio unit.

*
*

*

GO to Pinpoint Test

G.

*

The CD changer is inoperative/does not operate
correctly

Circuit(s).
CD changer.

*
*

GO to Pinpoint Test

H.

*

The audio unit illumination is inoperative

Circuit(s).
Audio unit.
GEM.

*
*
*

REFER to:

Instrument Cluster and Panel Illumination

(413-00 Instrument Cluster

and Panel Illumination, Diagnosis and Testing).

*

The auxiliary input device is inoperative/does
not operate correctly

Auxiliary input device.

*

REFER the customer to the auxiliary input source supplier.

*

Circuit(s).
Audio unit.

*
*

GO to Pinpoint Test

I.

*

The DVD player is inoperative/does not operate
correctly

Contaminated DVD

disc(s).

*

CLEAN the DVD disc(s) using lint free material. TEST the system for normal

operation.

*

Circuit(s).
DVD player.

*
*

GO to Pinpoint Test

J.

*

The video display is inoperative/does not
operate correctly

Contaminated DVD

disc(s).

*

CLEAN the DVD disc(s) using lint free material. TEST the system for normal

operation.

*

Circuit(s).
Video display.

*
*

GO to Pinpoint Test

K.

*

DVD player.

*

GO to Pinpoint Test

J.

*

PINPOINT TEST A : THE AUDIO UNIT IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

A1: CHECK FOR POWER TO THE AUDIO UNIT

Disconnect Audio Unit C2ME03A.

1

Ignition switch in position I.

2

Measure the voltage between the audio unit C2ME03A pin 15, circuit SBP06D (BN/RD), harness side and ground, and
between the audio unit C2ME03A pin 16, circuit CDC33C (VT/GN), harness side and ground.

3

Are the voltages greater than 10 volts?
Yes

GO to A2

.

No

REPAIR circuit SBP06D (BN/RD) or circuit CDC33C (VT/GN). TEST the system for normal operation.

A2: CHECK THE AUDIO UNIT GROUND CIRCUITS FOR GROUND

Ignition switch in position 0.

1

Measure the resistance between the audio unit C2ME03A pin 11, circuit GD103C (BK/BU), harness side and ground, and
between the audio unit C2ME03A pin 12, circuit GD103A (BK/BU), harness side and ground.

2

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Are the resistances less than 1 ohm?
Yes

INSTALL a new audio unit.
REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment System,

Removal and Installation).
TEST the system for normal operation.

No

REPAIR circuit GD103C (BK/BU) or circuit GD103A (BK/BU). TEST the system for normal operation.

PINPOINT TEST B : POOR RECEPTION

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

B1: CHECK THE ANTENNA CABLE SHIELD

Ignition switch in position 0.

1

Disconnect the antenna cable from the audio unit.

2

Measure the resistance between the antenna cable ground connector (shield), and ground.

3

Is the resistance less than 1 ohm?
Yes

GO to B2

.

No

CLEAN and TIGHTEN the antenna base connection to the body. If the concern persists, INSTALL a new antenna cable.
TEST the system for normal operation.

B2: CHECK THE ANTENNA CENTER CONDUCTOR FOR OPEN CIRCUIT

Remove the antenna mast.

1

Measure the resistance of the center conductor between the ends of the antenna cable.

2

Is the resistance less than 1 ohm?
Yes

GO to B3

.

No

INSTALL a new antenna cable. TEST the system for normal operation.

B3: CHECK THE ANTENNA CABLE FOR SHORT

Measure the resistance between the antenna cable center conductor and the antenna ground (shield).

1

Is the resistance greater than 10,000 ohms (open circuit)?
Yes

CLEAN and TIGHTEN the ground connections at the base of the antenna and battery negative cable to the body. If the
concern persists, INSTALL a new antenna cable.

No

INSTALL a new antenna cable. TEST the system for normal operation. If the concern persists, INSTALL a new audio
unit.
REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment System,

Removal and Installation).

PINPOINT TEST C : POOR QUALITY/DISTORTED SOUND FROM ONE OR MORE MAIN SPEAKERS (NOT ALL SPEAKERS)

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

C1: CHECK THE SPEAKER RESISTANCE

Disconnect Affected Speaker.

1

Measure the resistance between pins 1 and 4 of the affected speaker(s), component side.

2

Is the resistance approximately 4.0 ohms?
Yes

GO to C2

.

No

INSTALL a new speaker. TEST the system for normal operation.

C2: CHECK SPEAKER INPUT FOR SHORT TO GROUND

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Disconnect Audio Unit C2ME03D.

1

Measure the resistance between affected speaker connector pin 1, harness side and ground.

2

Is the resistance greater than 10,000 ohms (open circuit)?
Yes

GO to C3

.

No

REPAIR speaker input circuit. TEST the system for normal operation.

C3: CHECK SPEAKER RETURN FOR SHORT TO GROUND

Measure the resistance between affected speaker connector pin 4, harness side and ground.

1

Is the resistance greater than 10,000 ohms (open circuit)?
Yes

INSTALL a new speaker. TEST the system for normal operation. If the concern persists, INSTALL a new audio unit.
REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment System,

Removal and Installation).

No

REPAIR speaker return circuit. TEST the system for normal operation.

PINPOINT TEST D : POOR QUALITY/DISTORTED SOUND FROM ONE OR MORE TWEETER SPEAKERS (NOT ALL SPEAKERS)

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

D1: CHECK THE SPEAKER INPUT FOR SHORT TO GROUND

Disconnect Affected Tweeter Speaker.

1

Disconnect Related Speaker Of Affected Tweeter Speaker.

2

Measure the resistance between affected rear tweeter speaker connector pin 1, harness side and ground.

3

Is the resistance greater than 10,000 ohms (open circuit)?
Yes

GO to D2

.

No

REPAIR speaker input circuit. TEST the system for normal operation.

D2: CHECK THE SPEAKER OUTPUT FOR SHORT TO GROUND

Measure the resistance between affected tweeter speaker connector pin 3, harness side and ground.

1

Is the resistance greater than 10,000 ohms (open circuit)?
Yes

INSTALL a new tweeter speaker. TEST the system for normal operation.

No

REPAIR speaker output circuit. TEST the system for normal operation.

PINPOINT TEST E : NO SOUND FROM ONE OR MORE OF THE MAIN SPEAKERS (NOT ALL SPEAKERS)

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

E1: CHECK THE SPEAKER RESISTANCE

Disconnect Affected Speaker.

1

Measure the resistance between pins 1 and 4 of the affected speaker(s), component side.

2

Is the resistance approximately 4.0 ohms?
Yes

GO to E2

.

No

INSTALL a new speaker. TEST the system for normal operation.

E2: CHECK THE INOPERATIVE SPEAKER(S) CONNECTOR INPUT CIRCUIT(S)

Disconnect Audio Unit C2ME03D.

1

Measure the resistance between the following audio unit C2ME03A pins, harness side and the inoperative speaker(s) input
circuit(s), harness side:



Left-hand drive vehicles (Left front speaker) C5ME07 pin 1, circuit VME07A (BK) to C2ME03D pin 3, circuit VME07C
(WH).



Left-hand drive vehicles (Right front speaker) C6ME10 pin 1, circuit VME10A (BK) to CME03D pin 2, circuit VME10C

2

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(WH/VT).



Right-hand drive vehicles (Left front speaker) C6ME10 pin 1, circuit VME10A (BK) to C2ME03D pin 3, circuit VME07C
(WH).



Right-hand drive vehicles (Right front speaker) C5ME07 pin 1, circuit VME07A (BK) to C2ME03D pin 2, circuit
VME10C (WH/VT).



All vehicles (Left rear speaker) C7ME09 pin 1, circuit VME09A (BK) to C2ME03D pin 4, circuit VME09C (BN/GN).



All vehicles (Right rear speaker) C8ME12 pin 1, circuit VME12A (BK) to C2ME03D pin 1, circuit VME12C (BN/WH).

Is the resistance less than 1 ohm?
Yes

GO to E3

.

No

REPAIR the circuit(s) in question. TEST the system for normal operation.

E3: CHECK THE INOPERATIVE SPEAKER(S) CONNECTOR OUTPUT CIRCUIT(S)

Measure the resistance between the following audio unit C2ME03D pins, harness side and the inoperative speaker(s)
output circuit(s), harness side:



Left-hand drive vehicles (Left front speaker) C5ME07 pin 4, circuit RME07A (BK) to C2ME03D pin 7, circuit RME07C
(WH/BN).



Left-hand drive vehicles (Right front speaker) C6ME10 pin 4, circuit RME10A (BK) to CME03D pin 6, circuit RME10C
(WH/OG).



Right-hand drive vehicles (Left front speaker) C6ME10 pin 4, circuit RME10A (BK) to C2ME03D pin 7, circuit RME07C
(WH/OG).



Right-hand drive vehicles (Right front speaker) C5ME07 pin 4, circuit RME07A (BK) to C2ME03D pin 6, circuit
RME10C (WH/OG).



All vehicles (Left rear speaker) C7ME09 pin 4, circuit RME09A (BK) to C2ME03D pin 8, circuit RME09C (BN/YE).



All vehicles (Right rear speaker) C8ME12 pin 4, circuit RME12A (BK) to C2ME03D pin 5, circuit RME12C (BN/BU).

1

Is the resistance less than 1 ohm?
Yes

GO to E4

.

No

REPAIR the circuit in question. TEST the system for normal operation.

E4: CHECK THE INOPERATIVE SPEAKER(S) CIRCUIT FOR SHORT TO GROUND

Measure the resistance between the following inoperative speaker(s) input circuit(s), harness side and ground:



Left-hand drive vehicles (Left front speaker) C5ME07 pin 1, circuit VME07A (BK).



Left-hand drive vehicles (Right front speaker) C6ME10 pin 1, circuit VME10A (BK).



Right-hand drive vehicles (Left front speaker) C6ME10 pin 1, circuit VME10A (BK).



Right-hand drive vehicles (Right front speaker) C5ME07 pin 1, circuit VME07A (BK).



All vehicles (Left rear speaker) C7ME09 pin 1, circuit VME09A (BK).



All vehicles (Right rear speaker) C8ME12 pin 1, circuit VME12A (BK).

1

Is the resistance greater than 10,000 ohms (open circuit)?
Yes

INSTALL a new speaker. TEST the system for normal operation.

No

REPAIR the circuit in question. TEST the system for normal operation.

PINPOINT TEST F : NO SOUND FROM ONE OR MORE OF THE TWEETER SPEAKERS (NOT ALL SPEAKERS)

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

F1: CHECK THE INOPERATIVE SPEAKER(S) CONNECTOR INPUT CIRCUIT(S)

Disconnect Affected Tweeter Speaker.

1

Disconnect Speaker Associated With Affected Tweeter Speaker.

2

Measure the resistance between the following inoperative tweeter speaker(s) input circuit(s), harness side and speaker
(s) circuit(s), harness side:



Left-hand drive vehicles (Left front tweeter speaker) C5ME08 pin 1, circuit VME08A (GN/OG) to C5ME07 pin 2,
circuit VME08A (GN/OG).



Left-hand drive vehicles (Right front tweeter speaker) C6ME11 pin 1, circuit VME11A (VT/OG) to C6ME10 pin 2,
circuit VME11A (VT/OG).



Right-hand drive vehicles (Left front tweeter speaker) C5ME08 pin 1, circuit VME08A (GN/OG), to C5ME07 pin 2,
circuit VME08A (GN/OG), harness side.



Right-hand drive vehicles (Right front tweeter speaker) C6ME11 pin 1, circuit VME11A (VT/OG), to C6ME10 pin 2,
circuit VME11A (VT/OG).



All vehicles (Left rear tweeter speaker) C7ME39 pin 1, circuit VME39A (GN/BN), to C7ME09 pin 2, circuit VME39A
(GN/BN).



All vehicles (Right rear tweeter speaker) C8ME40 pin 1, circuit VME40A (BU/WH), to C8ME12 pin 2, circuit VME40A
(BU/WH).

3

Is the resistance less than 1 ohm?
Yes

GO to F2

.

No

REPAIR the circuit in question. TEST the system for normal operation.

F2: CHECK THE INOPERATIVE SPEAKER(S) CONNECTOR OUTPUT CIRCUIT(S)

Measure the resistance between the following inoperative tweeter speaker(s) output circuit(s), harness side and
speaker(s) circuit(s), harness side:



Left-hand drive vehicles (Left front tweeter speaker) C5ME08 pin 3, circuit RME08A (GY/OG) to C5ME07 pin 3,
circuit RME08A (GY/OG).



Left-hand drive vehicles (Right front tweeter speaker) C6ME11 pin 3, circuit RME11A (YE/OG) to C6ME10 pin 3,
circuit RME11A (YE/OG).



Right-hand drive vehicles (Left front tweeter speaker) C5ME08 pin 3, circuit RME08A (GY/OG), to C5ME07 pin 3,
circuit RME08A (GY/OG), harness side.



Right-hand drive vehicles (Right front tweeter speaker) C6ME11 pin 3, circuit RME11A (YE/OG), to C6ME10 pin 3,
circuit RME11A (YE/OG).

1

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

All vehicles (Left rear tweeter speaker) C7ME39 pin 3, circuit RME39A (GY/BN), to C7ME09 pin 3, circuit RME39A
(GY/BN).



All vehicles (Right rear tweeter speaker) C8ME40 pin 3, circuit RME40A (VT/WH), to C8ME12 pin 3, circuit RME40A
(VT/WH).

Is the resistance less than 1 ohm?
Yes

GO to F3

.

No

REPAIR the circuit in question. TEST the system for normal operation.

F3: CHECK THE INOPERATIVE TWEETER SPEAKER(S) CIRCUIT FOR SHORT TO GROUND

Measure the resistance between the following inoperative front tweeter speaker(s) input circuit(s), harness side and
ground:



Left-hand drive vehicles (Left front tweeter speaker) C5ME08 pin 1, circuit VME08A (GN/OG).



Left-hand drive vehicles (Right front tweeter speaker) C6ME11 pin 1, circuit VME11A (VT/OG).



Right-hand drive vehicles (Left front tweeter speaker) C5ME08 pin 1, circuit VME08A (GN/OG).



Right-hand drive vehicles (Right front tweeter speaker) C6ME11 pin 1, circuit VME11A (VT/OG).



All vehicles (Left rear tweeter speaker) C7ME39 pin 1, circuit VME39A (GN/BN).



All vehicles (Right rear tweeter speaker) C8ME40 pin 1, circuit VME40A (BU/WH).

1

Is the resistance greater than 10,000 ohms (open circuit)?
Yes

INSTALL a new tweeter speaker. TEST the system for normal operation.

No

REPAIR the circuit in question. TEST the system for normal operation.

PINPOINT TEST G : THE AUDIO CONTROL SWITCH IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

G1: CHECK THE AUDIO UNIT OPERATES CORRECTLY USING THE AUDIO UNIT CONTROLS

Operate the audio unit using the audio unit controls.

1

Does the audio unit operate correctly using the audio unit controls?
Yes

GO to G2

.

No

INSTALL a new audio unit.
REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment System,

Removal and Installation).
TEST the system for normal operation.

G2: CHECK CIRCUIT VME14A (GY/YE) FOR OPEN

Disconnect Audio Unit C2ME03B.

1

Disconnect Clockspring C2LS41.

2

Measure the resistance between the audio unit C2ME03B pin 6, circuit VME14A (GY/YE) harness side and the
clockspring C2LS41 pin 11, circuit VME14A (GY/YE) harness side.

3

Is the resistance less than 1 ohm?
Yes

GO to G3

.

No

REPAIR the circuit. TEST the system for normal operation.

G3: CHECK CIRCUIT RME24A (BU/WH) FOR OPEN

Measure the resistance between the audio unit C2ME03B pin 8, circuit RME24A (BU/WH) harness side and the
clockspring CME14 pin 2, circuit RME24B (BU/WH) harness side.

1

Is the resistance less than 1 ohm?
Yes

INSTALL a new audio control switch. TEST the system for normal operation. If the concern persists, INSTALL a new
audio unit.
REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment System,

Removal and Installation).

No

REPAIR the circuit. TEST the system for normal operation.

PINPOINT TEST H : THE CD CHANGER IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

H1: CHECK THE CD CHANGER FOR VOLTAGE

Disconnect CD changer C2ME27.

1

Measure the voltage between the cd changer C2ME27 pin 1, circuit SBR05AWA (GY/RD), harness side and ground.

2

Is the voltage greater than 10 volts?
Yes

GO to H2

.

No

REPAIR circuit SBR05AWA (GY/RD). TEST the system for normal operation.

H2: CHECK THE CD CHANGER FOR GROUND

Measure the resistance between the cd changer C2ME27 pin 6, circuit GD135M (BK/GY), harness side and ground.

1

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Is the resistance less than 1 ohm?
Yes

GO to H3

.

No

REPAIR circuit GD135M (BK/GY). TEST the system for normal operation.

H3: CHECK THE CD CHANGER TO AUDIO UNIT CIRCUIT(S) FOR OPEN

Disconnect Audio Unit C2ME03B.

1

Measure the resistance between the following cd changer circuits and the audio unit circuit(s):



cd changer C2ME27 pin 3, circuit VME15B (GN/BK), harness side and audio unit C2ME03B pin 3, circuit VME15A
(GN/BK), harness side.



cd changer C2ME27 pin 8, circuit RME15B (VT/GY), harness side and audio unit C2ME03B pin 9, circuit RME15A
(VT/GY), harness side.



cd changer C2ME27 pin 4, circuit VME16B (GY/RD), harness side and audio unit C2ME03B pin 4, circuit RME16A
(GY/RD), harness side.



cd changer C2ME27 pin 9, circuit RME16B (YE/GY), harness side and audio unit C2ME03B pin 10, circuit RME16A
(YE/GY), harness side.

2

Are the resistances less than 1 ohm?
Yes

INSTALL a new cd changer. TEST the system for normal operation. If the concern persists, INSTALL a new audio unit.
REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment System,

Removal and Installation).
TEST the system for normal operation.

No

REPAIR the circuits as necessary. TEST the system for normal operation. If the concern persists, INSTALL a new audio
unit.
REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment System,

Removal and Installation).
TEST the system for normal operation.

PINPOINT TEST I : THE AUXILIARY INPUT DEVICE IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

I1: CHECK THE OPERATION OF THE AUXILIARY INPUT DEVICE

Operate the auxiliary input device outside of the vehicle.

1

Does the auxiliary input device operate outside of the vehicle?
Yes

GO to I2

.

No

REFER to the auxiliary input device Owner Guide.

I2: CHECK THE AUXILIARY INPUT DEVICE CONNECTOR

Check the auxiliary input device connector for signs of damage or debris.

1

Is the auxiliary input device connector free of damage and debris?
Yes

GO to I3

.

No

INSTALL a new auxiliary input device connector. TEST the system for normal operation.

I3: CHECK CIRCUIT VME37A (BU/RD) FOR OPEN

Disconnect Audio Unit C2ME03C.

1

Disconnect Auxiliary Input Device C2ME37.

2

Measure the resistance between the audio unit C2ME03C pin 5, circuit VME37A (BU/RD), harness side and auxiliary
input device C2ME37 pin 4, circuit VME37A (BU/RD), harness side.

3

Is the resistance less than 1 ohm?
Yes

GO to I4

.

No

REPAIR circuit VME37A (BU/RD). TEST the system for normal operation.

I4: CHECK CIRCUIT VME38A (BN/RD) FOR OPEN

Measure the resistance between the audio unit C2ME03C pin 11, circuit VME38A (BN/RD), harness side and auxiliary
input device C2ME37 pin 1, circuit VME38A (BN/RD), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to I5

.

No

REPAIR circuit VME38A (BN/RD). TEST the system for normal operation.

I5: CHECK CIRCUIT DME37G (OG/GN) FOR GROUND

Measure the resistance between the audio unit C2ME03C pin 6, circuit DME37G (OG/GN), harness side and ground.

1

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Is the resistance less than 1 ohm?
Yes

INSTALL a new audio unit.
REFER to:

Audio Unit - Vehicles With: Manual Temperature Control

(415-01 Information and Entertainment System,

Removal and Installation).
TEST the system for normal operation.

No

REPAIR circuit DME37G (OG/GN). TEST the system for normal operation.

PINPOINT TEST J : THE DIGITAL VERSATILE DISC (DVD) PLAYER IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

J1: CHECK THE DVD PLAYER FOR POWER

Disconnect DVD Player C2MR-A.

1

Measure the voltage between the DVD player C2MR-A pin 4, circuit C_SBR05D (GY/RD), harness side and ground.

2

Is the voltage greater than 10 volts?
Yes

GO to J2

.

No

REPAIR circuit C_SBR05D (GY/RD). TEST the system for normal operation.

J2: CHECK THE DVD PLAYER FOR SWITCHED POWER

Ignition switch in position II.

1

Measure the voltage between the DVD player C2MR-A pin 7, circuit A_CBP04B (VT), harness side and ground.

2

Is the voltage greater than 10 volts?
Yes

GO to J3

.

No

REPAIR circuit A_CBP04B (VT). TEST the system for normal operation.

J3: CHECK THE DVD PLAYER FOR GROUND

Ignition switch in position 0.

1

Measure the resistance between the DVD player C2MR-A pin 8, circuit GD151L (BK/GN), harness side and ground.

2

Is the resistance less than 1 ohm?
Yes

GO to J4

.

No

REPAIR circuit GD151L (BK/GN). TEST the system for normal operation.

J4: CHECK THE DVD PLAYER ILLUMINATION CIRCUIT FOR POWER

Turn the multi-function switch to the on position.

1

Measure the voltage between the DVD player C2MR-A pin 6, circuit A_CLN17B (BN), harness side and ground.

2

Is the voltage greater than 10 volts?
Yes

INSTALL a new DVD player.
REFER to:

Digital Versatile Disc (DVD) Player

(415-01 Information and Entertainment System, Removal and Installation).

TEST the system for normal operation.

No

REPAIR circuit GLN17B (BN). TEST the system for normal operation.

PINPOINT TEST K : THE VIDEO SYSTEM IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

WARNING: Do not attempt to open or repair a video display as there are internal voltages in excess of 2000 volts. Failure to follow this instruction

may result in personal injury.

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

K1: CHECK THE OPERATION OF THE VIDEO DISPLAY

Change the head restraints/video displays between the two front seats.

1

Has the concern moved with the video display?
Yes

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INSTALL a new head restraint/video display. TEST the system for normal operation.

No

For concern with the left-hand video display,

GO to K2

. For concern with the right-hand video display,

GO to K18

.

K2: CHECK CIRCUITS CMR13B (WH/GN) AND CMR13A (WH/GN) FOR OPEN

Disconnect DVD player C2MR-D.

1

Disconnect Video display C33-T.

2

Measure the resistance between the DVD player C2MR-D pin 1, circuit CMR13B (WH/GN), harness side and video display
C33-T pin 3, circuit GMR13A (GN/WH), harness side.

3

Is the resistance less than 1 ohm?
Yes

GO to K3

.

No

REPAIR circuit(s) GMR13B (WH/GN) or GMR13A (WH/GN). TEST the system for normal operation.

K3: CHECK CIRCUITS LMR01B (BU/WH) AND LMR01A (BU/WH) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 2, circuit LMR01B (BU/WH), harness side and video display
C33-T pin 4, circuit LMR01A (BU/WH), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K4

.

No

REPAIR circuit(s) LMR01B (BU/WH) or LMR01A (BU/WH). TEST the system for normal operation.

K4: CHECK CIRCUITS VMR10B (GY/OG) AND VMR10A (GY/OG) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 3, circuit VMR10B (GY/OG), harness side and video display
C33-T pin 5, circuit VMR10A (GY/OG), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K5

.

No

REPAIR circuit(s) VMR10B (GY/OG) or VMR10A (GY/OG). TEST the system for normal operation.

K5: CHECK CIRCUITS VMR11B (VT/OG) AND VMR11A (VT/OG) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 4, circuit VMR11B (VT/OG), harness side and video display
C33-T pin 16, circuit VMR11A (VT/OG), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K6

.

No

REPAIR circuit(s) VMR11B (VT/OG) or VMR11A (VT/OG). TEST the system for normal operation.

K6: CHECK CIRCUITS VMR12B (GY/VT) AND VMR12A (GY/VT) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 5, circuit VMR12B (GY/VT), harness side and video display
C33-T pin 11, circuit VMR11A (GY/VT), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K7

.

No

Repair circuit(s) VMR11B (GY/VT) or VMR11A (GY/VT). TEST the system for normal operation.

K7: CHECK CIRCUITS RMR02B (BK/BU) AND RMR02A (BK/BU) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 6, circuit RMR02B (BK/BU), harness side and video display
C33-T pin 22, circuit RMR02A (BK/BU), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K8

.

No

REPAIR circuits RMR02B (BK/BU) or RMR02A (BK/BU). TEST the system for normal operation.

K8: CHECK CIRCUITS VMR02B (GY/BK) AND VMR02A (GY/BK) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 7, circuit VMR02B (GY/BK), harness side and video display

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C33-T pin 9, circuit VMR02A (GY/BK), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K9

.

No

REPAIR circuit(s) VMR02B (GY/BK) or VMR02A (GY/BK). TEST the system for normal operation.

K9: CHECK CIRCUITS VMR03B (GY/VT) AND VMR03A (GY/VT) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 8, circuit VMR03B (GY/VT), harness side and video display
C33-T pin 20, circuit VMR03A (GY/VT), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K10

.

No

REPAIR circuit(s) VMR03B (GY/VT) or VMR03A (GY/VT). TEST the system for normal operation.

K10: CHECK CIRCUITS VME05B (GY/WH) AND VME05A (GY/WH) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 10, circuit VME05B (GY/WH), harness side and video display
C33-T pin 10, circuit VME05A (GY/WH), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K11

.

No

REPAIR circuit(s) VME05B (GY/WH) or VME05A (GY/WH). TEST the system for normal operation.

K11: CHECK CIRCUITS VMR04B (GY/OG) AND VMR04A (GY/OG) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 11, circuit VMR04B (GY/OG), harness side and video display
C33-T pin 21, circuit VMR04A (GY/OG), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K12

.

No

REPAIR circuit(s) VMR04B (GY/OG) or VMR04A (GY/OG). TEST the system for normal operation.

K12: CHECK CIRCUITS RMR13E (BN/BU), RMR13B (BN/BU), RMR13A (BN/BU), RMR13C AND RMR13D FOR OPEN

Measure the resistance between the following DVD player C2MR-D pins, harness side and video display C33-T pins,
harness side.



C2MR-D pin 12, circuit RMR13E (BN/BU) and C33-T pin 14, circuit RMR13A (BN/BU).



C2MR-D pin 12, circuit RMR13E (BN/BU) and C33-T pin 19, circuit RMR13D.

1

Are the resistances less than 1 ohm?
Yes

GO to K13

.

No

REPAIR circuit(s) RMR13E (BN/BU), RMR13B (BN/BU), RMR13A (BN/BU), RMR13C or RMR13D. TEST the system for
normal operation.

K13: CHECK CIRCUITS VMR09B (GN) AND VMR09A (GN) FOR OPEN

Connect DVD Player C2MR-D.

1

Disconnect DVD Player C2MR-B.

2

Measure the resistance between the DVD player C2MR-B pin 1, circuit VMR09B (GN), harness side and video display C33-
T pin 6, circuit VMR09A (GN), harness side.

3

Is the resistance less than 1 ohm?
Yes

GO to K14

.

No

REPAIR circuit(s) VMR09B (GN) or VMR09A (GN). TEST the system for normal operation.

K14: CHECK CIRCUITS DMR08B AND DMR08A FOR OPEN

Measure the resistance between the DVD player C2MR-B pin 2, circuit DMR08B, harness side and video display C33-T pin
17, circuit DMR08A, harness side.

1

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Is the resistance less than 1 ohm?
Yes

GO to K15

.

No

REPAIR circuit(s) DMR08B or DMR08A. TEST the system for normal operation.

K15: CHECK CIRCUITS VMR06B (BK/RD) AND VMR06A (BK/RD) FOR OPEN

Measure the resistance between the DVD player C2MR-B pin 3, circuit VMR06B (BK/RD), harness side and video display
C33-T pin 7, circuit VMR06A (BK/RD), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K15

.

No

REPAIR circuit(s) VMR06B (BK/RD) or VMR06A (BK/RD). TEST the system for normal operation.

K16: CHECK CIRCUITS VMR07B (WH/BU) AND VMR07A (WH/BU) FOR OPEN

Measure the resistance between the DVD player C2MR-B pin 4, circuit VMR07B (WH/BU), harness side and video display
C33-T pin 18, circuit VMR07A (WH/BU), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K15

.

No

REPAIR circuit(s) VMR07B (WH/BU) or VMR07A (WH/BU). TEST the system for normal operation.

K17: CHECK CIRCUITS DMR06B AND DMR06A FOR OPEN

Measure the resistance between the DVD player C2MR-B pin 5, circuit DMR06B, harness side and video display C33-T pin
8, circuit DMR06A, harness side.

1

Is the resistance less than 1 ohm?
Yes

CHECK the DVD player. GO to Pinpoint Test

J.

No

REPAIR circuit(s) DMR06B or DMR06A. TEST the system for normal operation.

K18: CHECK CIRCUITS CMR27B (WH/OG) AND CMR27A (WH/OG) FOR OPEN

Disconnect DVD Player C2MR-D.

1

Disconnect Video Display C33-U.

2

Measure the resistance between the DVD player C2MR-D pin 13, circuit CMR27B (WH/OG), harness side and video display
C33-U pin 3, circuit CMR27A (WH/OG), harness side.

3

Is the resistance less than 1 ohm?
Yes

GO to K19

.

No

REPAIR circuit(s) CMR27B (WH/OG) or CMR27A (WH/OG). TEST the system for normal operation.

K19: CHECK CIRCUITS LMR15B (BU/OG) AND LMR15A (BU/OG) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 14, circuit LMR15B (BU/OG), harness side and video display
C33-U pin 4, circuit LMR15A (BU/OG), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K20

.

No

REPAIR circuit(s) LMR15B (BU/OG) or LMR15A (BU/OG). TEST the system for normal operation.

K20: CHECK CIRCUITS VMR24B (GY/VT) AND VMR24A (GY/VT) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 15, circuit VMR24B (GY/VT), harness side and video display
C33-U pin 5, circuit VMR24A (GY/VT), harness side.

1

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Is the resistance less than 1 ohm?
Yes

GO to K21

.

No

REPAIR circuit(s) VMR24B (GY/VT) or VMR24A (GY/VT). TEST the system for normal operation.

K21: CHECK CIRCUITS VMR25B (VT/GY) AND VMR25A (VT/GY) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 16, circuit VMR25B (VT/GY), harness side and video display
C33-U pin 16, circuit VMR25A (VT/GY), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K22

.

No

REPAIR circuit(s) VMR25B (VT/GY) or VMR25A (VT/GY). TEST the system for normal operation.

K22: CHECK CIRCUITS VMR26B (YE/OG) AND VMR26A (YE/OG) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 17, circuit VMR26B (YE/OG), harness side and video display
C33-U pin 11, circuit VMR26A (YE/OG), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K23

.

No

REPAIR circuit(s) VMR26B (YE/OG) or VMR26A (YE/OG). TEST the system for normal operation.

K23: CHECK CIRCUIT(S) RMR16B (BK/BU) AND RMR16A (BK/BU) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 18, circuit RMR16B (BK/BU), harness side and video display
C33-U pin 22, circuit RMR16A (BK/BU), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K24

.

No

REPAIR circuit(s) RMR16B (BK/BU) or RMR16A (BK/BU). TEST the system for normal operation.

K24: CHECK CIRCUITS VMR16B (GY/BK) AND VMR16A (GY/BK) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 19, circuit VMR16B (GY/BK), harness side and video display
C33-U pin 9, circuit VMR16A (GY/BK), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K25

.

No

REPAIR circuit(s) VMR16B (GY/BK) or VMR16A (GY/BK). TEST the system for normal operation.

K25: CHECK CIRCUITS VMR17B (VT/GN) AND VMR17A (VT/GN) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 20, circuit VMR17B (VT/GN), harness side and video display
C33-U pin 20, circuit VMR17A (VT/GN), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K26

.

No

REPAIR circuit(s) VMR17B (VT/GN) or VMR17A (VT/GN). TEST the system for normal operation.

K26: CHECK CIRCUITS VMR19B (WH/VT) AND VMR19A (WH/VT) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 22, circuit VMR19B (WH/VT), harness side and video display
C33-U pin 10, circuit VMR19A (WH/VT), harness side.

1

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Is the resistance less than 1 ohm?
Yes

GO to K27

.

No

REPAIR circuit(s) VMR19B (WH/VT) or VMR19A (WH/VT). TEST the system for normal operation.

K27: CHECK CIRCUITS VMR18B (YE/GN) AND VMR19A (YE/GN) FOR OPEN

Measure the resistance between the DVD player C2MR-D pin 23, circuit VMR18B (YE/GN), harness side and video display
C33-U pin 21, circuit VMR19A (YE/GN), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K28

.

No

REPAIR circuit(s) VMR18B (YE/GN) or VMR19A (YE/GN). TEST the system for normal operation.

K28: CHECK CIRCUITS RMR27E (BN/VT), RMR27B (BN/VT), RMR27A (BN/VT), RMR27C AND RMR27D FOR OPEN

Measure the resistance between the following DVD player C2MR-D pins, harness side and video display C33-U pins,
harness side.



C2MR-D pin 24, circuit RMR27E (BN/VT) and C33-U pin 14, circuit RMR27A (BN/VT).



C2MR-D pin 24, circuit RMR27E (BN/VT) and C33-U pin 19, circuit RMR27D.

1

Are the resistances less than 1 ohm?
Yes

GO to K29

.

No

REPAIR circuit(s) RMR27E (BN/VT), RMR27B (BN/VT), RMR27A (BN/VT), RMR27C or RMR27D. TEST the system for normal
operation.

K29: CHECK CIRCUITS VMR23B (GN/OG) AND VMR23A (GN/OG) FOR OPEN

Connect DVD Player C2MR-D.

1

Disconnect DVD Player C2MR-C.

2

Measure the resistance between the DVD player C2MR-C pin 7, circuit VMR23B (GN/OG), harness side and video display
C33-U pin 6, circuit VMR23A (GN/OG), harness side.

3

Is the resistance less than 1 ohm?
Yes

GO to K30

.

No

REPAIR circuit(s) VMR23B (GN/OG) and VMR23A (GN/OG). TEST the system for normal operation.

K30: CHECK CIRCUITS DMR22B AND DMR22A FOR OPEN

Measure the resistance between the DVD player C2MR-C pin 21, circuit DMR22B, harness side and video display C33-U
pin 17, circuit VMR24A (GY/VT), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K31

.

No

REPAIR circuit(s) DMR22B and DMR22A. TEST the system for normal operation.

K31: CHECK CIRCUITS VMR20B (BN/WH) AND VMR20A (BN/WH) FOR OPEN

Measure the resistance between the DVD player C2MR-C pin 4, circuit VMR20B (BN/WH), harness side and video display
C33-U pin 7, circuit VMR20A (BN/WH), harness side.

1

Is the resistance less than 1 ohm?
Yes

GO to K32

.

No

REPAIR the circuit. TEST the system for normal operation.

K32: CHECK CIRCUITS VMR21B (BU/BN) AND VMR21A (BU/BN) FOR OPEN

Measure the resistance between the DVD player C2MR-C pin 18, circuit VMR21B (BU/BN), harness side and video display
C33-U pin 18, circuit VMR21A (BU/BN), harness side.

1

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Is the resistance less than 1 ohm?
Yes

GO to K33

.

No

REPAIR circuit(s) VMR21B (BU/BN) or VMR21A (BU/BN). TEST the system for normal operation.

K33: CHECK CIRCUITS DMR20B AND DMR20A FOR OPEN

Measure the resistance between the DVD player C2MR-C pin 19, circuit DMR20B, harness side and video display C33-U
pin 8, circuit DMR20A, harness side.

1

Is the resistance less than 1 ohm?
Yes

CHECK the DVD player. GO to Pinpoint Test

J.

No

REPAIR circuits DMR20B or DMR20A. TEST the system for normal operation.

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