Mitsubishi Outlander GS45X. Manual - part 180

REAR DISPLAY

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CHASSIS ELECTRICAL

54A-717

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COMMENTS ON TROUBLE SYMPTOM

The wiring harness between the radio and CD player 
and the rear display unit, the multivision display, the 
radio and CD player, the rear display unit may have a 
problem.

.

PROBABLE CAUSES

• The rear display unit may be defective

• The radio and CD player may be defective

• The multivision display may be defective

• Damaged harness wires and connectors

Audio Communication Circuit <Vehicles without MMCS>

REAR DISPLAY UNIT

RADIO AND CD PLAYER

AC901076AT

Connectors: C-07, C-14, C-15

C-07 (GR)

C-14, 
C-15

AC702817AQ

Connector: D-06

D-06 (L)

ACA02660AC

Connector: D-123

REAR DISPLAY

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CHASSIS ELECTRICAL

54A-718

DIAGNOSIS

Required Special Tools:

• MB991223: Harness Set

• MB992006: Extra Fine Probe

STEP 1. Check rear display unit connector D-06 and 
multivision display connector C-07 or radio and CD player 
connector C-14 for loose, corroded or damaged terminals, 
or terminals pushed back in the connector.
Q: Is rear display unit connector D-06 and multivision 

display connector C-07 or radio and CD player 
connector C-14 in good condition?
YES : Go to Step 2.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

.

STEP 2. Check the wiring harness between rear display 
unit connector D-06 (terminal 10, 11) and multivision 
display connector C-07 (terminal 64, 48) or radio and CD 
player connector C-14 (terminal 13, 4).
NOTE: Also check intermediate connectors C-15 <vehicles 
with MMCS> and D-123 for loose, corroded, or damaged termi-
nals, or terminals pushed back in the connector. If intermediate 
connector C-15 <vehicles with MMCS> or D-123 is damaged, 
repair or replace the connector as described in GROUP 00E, 
Harness Connector Inspection 

P.00E-2

.

• Check the communication lines for open circuit and short 

circuit.

Q: Is the wiring harness between rear display unit 

connector D-06 (terminal 10, 11) and multivision display 
connector C-106 (terminal 64, 48) or radio and CD player 
connector C-14 (terminal 13, 4) in good condition?
YES : Go to Step 3.
NO :  The wiring harness may be damaged or the 

connector(s) may have loose, corroded or damaged 
terminals, or terminals pushed back in the connector. 
Repair the wiring harness as necessary. 

STEP 3. Retest the system
Check if the rear display unit sound is output from the speaker.
Q: Is the check result normal?

YES : The trouble can be an intermittent malfunction (Refer 

to GROUP 00, How to use 
Troubleshooting/inspection Service Points, How to 
Cope with Intermittent Malfunction 

P.00-15

).

NO :  Replace the rear display unit.

REAR DISPLAY

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CHASSIS ELECTRICAL

54A-719

Inspection Procedure 8: No sound is output from the wireless headphone.

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COMMENTS ON TROUBLE SYMPTOM

The wireless headphone, the rear display unit may 
have a problem.

.

PROBABLE CAUSES

• The rear display unit may be defective

• The wireless headphone may be defective

• Damaged harness wires and connectors

DIAGNOSIS

STEP 1. Speaker check
When the speaker sound is set to the rear display output, 
check whether the rear display sound is output from the speak-
ers.
Q: Is the check result normal?

YES : Go to Step 2.
NO :  Refer to Inspection Procedure 7 "The rear display 

sound is not output from the speaker 

P.54A-716

."

STEP 2. Wireless headphone battery check
Replace the wireless headphone battery, and check the wire-
less headphone sound.
Q: Is the check result normal?

YES : The procedure is complete.
NO :  Go to Step 3.

STEP 3. Replace the wireless headphone temporarily, and 
check the trouble symptom.
Replace the wireless headphone temporarily, and check if 
sound is output from the wireless headphone.
Q: Is the check result normal?

YES : Replace the wireless headphone.
NO :  Replace the rear display unit.

REAR DISPLAY

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CHASSIS ELECTRICAL

54A-720

Inspection Procedure 9: The rear display does not change to nighttime brightness when the 
headlights are illuminated.

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AC703810

Rear Display Unit Communication Circuit

REAR DISPLAY UNIT

COMBINATION 
METER

ETACS-ECU

AB

ACA02653AC

Connector: C-03

ACA02655AF

Connector: C-317

AC702817AQ

Connector: D-06

D-06 (L)

ACA02660AC

Connector: D-123