Mitsubishi Outlander GS45X. Manual - part 154

HANDS FREE MODULE

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CHASSIS ELECTRICAL

54A-613

STEP 4. Check the steering wheel audio remote control 
switch.
Check the continuity of the steering wheel audio remote control 
switch. (Refer to steering wheel audio remote control switch 
inspection.)
Q: Is the check result normal?

YES : Go to Step 5.
NO :  Replace the steering wheel audio remote control 

switch.

STEP 5. Check the wiring harness between steering wheel 
audio remote control switch connector C-213 (terminal 3) 
and steering wheel voice control switch connector C-206 
(terminal 3).

• Check the communication lines for open circuit and short 

circuit.

Q: Is the wiring harness between steering wheel audio 

remote control switch connector C-213 (terminal 3) and 
steering wheel voice control switch connector C-206 
(terminal 3) in good condition?
YES : Go to Step 6.
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 6. Check clock spring connector C-202 for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector
Q: Is clock spring connector C-202 in good condition?

YES : Go to Step 7.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

.

STEP 7. Check the harness wire between clock spring 
connector C-202 (terminal 4) and steering wheel voice 
control switch connector C-206 (terminal 2).

• Check the communication lines for open circuit and short 

circuit.

Q: Is the wiring harness between clock spring connector 

C-202 (terminal 4) and steering wheel voice control 
switch connector C-206 (terminal 2) in good condition?
YES : Go to Step 8.
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.

HANDS FREE MODULE

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CHASSIS ELECTRICAL

54A-614

STEP 8. Temporarily replace the steering wheel voice 
control switch, and check the trouble symptom.
Q: Is the check result normal?

YES : Replace the steering wheel voice control switch.
NO :  Replace the multivision display.

INSPECTION PROCEDURE 5: DIAGNOSIS MODE cannot be made an entry. <Vehicles with radio and 
CD player>

CAUTION

Before replacing the hands free module, ensure that the power supply circuit, the ground circuit and 
the communication circuit are normal.

.

TECHNICAL DESCRIPTION (COMMENT)

If the diagnosis mode cannot be made an entry, the 
hands free module, the communication between the 
hands free module, and the radio and CD player, or 
the power supply system of hands free module may 
have a problem.

.

TROUBLESHOOTING HINTS

• The hands free module may be defective.

• The radio and CD player may be defective.

• The wiring harness or connectors may have 

loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector.

Hands Free Module Communication Circuit

HANDS FREE MODULE

RADIO AND CD PLAYER 

ACA02654

AC

Connectors: C-14, C-141

C-14

C-141

HANDS FREE MODULE

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CHASSIS ELECTRICAL

54A-615

DIAGNOSIS

Required Special Tools:

• MB991223: Harness Set

• MB992006: Extra Fine Probe

STEP 1. Check the radio and CD player operation.
Check if the radio and CD player work normally and the sound 
is output.
Q: Is the check result normal?

YES : Go to Step 2.
NO :  Troubleshoot the radio and CD player. (Refer to 

P.54A-363

.)

STEP 2. Check hands free module connector C-141 and 
radio and CD player connector C-14 for loose, corroded or 
damaged terminals, or terminals pushed back in the 
connector
Q: Are hands free module connector C-141 and radio and 

CD player connector C-14 in good condition?
YES : Go to Step 3.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

.

STEP 3. Check the wiring harness between hands free 
module connector C-141 (terminal 2, 16) and radio and CD 
player connector C-14 (terminal 1, 10).

• Check the signal lines for open circuit and short circuit.

Q: Is the wiring harness between hands free module 

connector C-141 (terminal 2, 16) and radio and CD 
player connector C-121 (terminal 1, 10) in good 
condition?
YES : Go to step 4.
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 4. Check if the power supply circuit of hands free 
ECU have a problem.
Perform the inspection Procedure 1 "Check the hands free 
module power supply circuit." of the troubleshooting. (Refer to 

P.54A-593

.)

Q: Is the check result normal?

YES : Go to step 5.
NO :  Repair according to the troubleshooting for reference.

HANDS FREE MODULE

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CHASSIS ELECTRICAL

54A-616

STEP 5. Replace the hands free module temporarily, and 
check the trouble symptom.
Q: Is the check result normal?

YES : Replace the hands free module.
NO :  Replace the radio and CD player.

INSPECTION PROCEDURE 6: DIAGNOSIS MODE cannot be made an entry. Mobile Phone item is not 
displayed on the INFOR screen of MMCS. <Vehicles with MMCS>

CAUTION

Before replacing the hands free module, ensure that the power supply circuit, the ground circuit and 
the communication circuit are normal.

.

TECHNICAL DESCRIPTION (COMMENT)

If the diagnosis mode cannot be made an entry, the 
hands free module, the communication between the 
hands free module, and the multivision display, or the 
power supply system of hands free module may 
have a problem.

.

TROUBLESHOOTING HINTS

• The hands free module may be defective.

• The multivision display may be defective.

• Damaged harness wires and connectors

DIAGNOSIS

Required Special Tools:

• MB991223: Harness Set

• MB992006: Extra Fine Probe

Hands Free Module Communication Circuit

HANDS FREE MODULE

MULTIVISION DISPLAY

ACA02654

AK

Connectors: C-06, C-15, C-141

C-06

C-15

C-141