Mitsubishi L200. Manual — part 755
STEERING WHEEL AUDIO REMOTE CONTROL SWITCH
CHASSIS ELECTRICAL
54A-387
STEP 7. Check the wiring harness between C-311
steering wheel audio remote control switch
connector terminal No.2, 4 and C-310 clock
spring connector terminal No.5, 4.
• Check the communication lines for open and
short circuit.
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Repair the wiring harness.
STEP 8. Retest the system
Check whether you can operate the radio and CD
player by using the steering wheel audio remote con-
trol switch.
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 ).
NO :
Replace the radio and CD player.
AC903858AI
Connectors: C-310, C-311 <LHD>
C-310
Harness side
C-310
C-311
Harness side
C-311 (R)
AC903869 AI
Connectors: C-310, C-311 <RHD>
Harness side
C-311
C-311 (R)
C-310
Harness side
C-310
STEERING WHEEL AUDIO REMOTE CONTROL SWITCH
CHASSIS ELECTRICAL
54A-388
Inspection Procedure 1: Steering wheel audio remote control switch does not function. <Vehicle with
MMCS>
TECHNICAL DESCRIPTION (COMMENT)
The power supply circuit to the steering wheel audio
remote control switch, the steering wheel audio
remote control switch, the multivision display, or the
clock spring may be defective.
TROUBLESHOOTING HINTS
• Malfunction of steering wheel audio remote con-
trol switch
• Malfunctions of multivision display
• Malfunction of the clock spring
• Damaged harness wires and connectors
Steering Wheel Audio Remote Control Switch Circuit
MULTIVISION DISPLAY
CLOCK
SPRING
STEERING
WHEEL AUDIO
REMOTE
CONTROL
SWITCH
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet PU : Purple SI : Silver
STEERING WHEEL AUDIO REMOTE CONTROL SWITCH
CHASSIS ELECTRICAL
54A-389
DIAGNOSIS PROCEDURE
STEP 1. Connector check: C-311 steering wheel
audio remote control switch connector
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Repair the defective connector.
STEP 2. Check the steering wheel audio remote
control switch.
Check the continuity of the steering wheel audio
remote control switch. (Refer to
).
Q: Is the hood switch in good condition?
YES :
Go to Step 3.
NO :
Replace the steering wheel audio remote
control switch.
STEP 3. Connector check: C-310 and C-306 clock
spring connector
Q: Is the hood switch in good condition?
YES :
Go to Step 4.
NO :
Repair the defective connector.
STEP 4. Check the clock spring.
Check whether the clock spring is in good condition
(Refer to GROUP 52B
− Air bag module and clock
spring ).
• Check if continuity exists between C-310 clock
spring connector terminal No.4 and C-306 clock
spring connector terminal No.3.
• Check if continuity exists between C-310 clock
spring connector terminal No.5 and C-306 clock
spring connector terminal No.2.
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Replace the clock spring.
AC903858 AF
Connector: C-311 <LHD>
Harness side
C-311 (R)
AC903869 AF
Connector: C-311 <RHD>
Harness side
C-311 (R)
AC903858AG
Connectors: C-306, C-310 <LHD>
Harness side
C-306 (B)
C-310
C-306
Harness side
C-310
AC903869AG
Connectors: C-306, C-310 <RHD>
Harness side
C-306 (B)
C-310
C-306
Harness side
C-310
STEERING WHEEL AUDIO REMOTE CONTROL SWITCH
CHASSIS ELECTRICAL
54A-390
STEP 5. Connector check: C-167 multivision
display connector
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the defective connector.
STEP 6. Check the wiring harness between C-167
multivision display connector terminal No.59, 43
and C-306 clock spring connector terminal No.3,
2.
• Check the communication lines for open and
short circuit.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the wiring harness.
AC903856AS
Connector: C-167 <LHD>
C-167 (GR)
Harness side
AC903865
Harness side
AJ
Connector: C-167 <RHD>
AC903856AS
Connector: C-167 <LHD>
C-167 (GR)
Harness side
AC903865
Harness side
AJ
Connector: C-167 <RHD>
AC903858AH
Connector: C-306 <LHD>
Harness side
C-306 (B)
AC903869AH
Connector: C-306 <RHD>
Harness side
C-306 (B)
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