Mitsubishi L200. Manual — part 756

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-391

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 multivision dis-
play 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 multivision display.

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-392

Inspection Procedure 2: Steering wheel audio remote control switch illumination does not come on.

TECHNICAL DESCRIPTION (COMMENT)
The power supply circuit to the steering wheel audio
remote control switch, the steering wheel audio
remote control switch, the ETACS-ECU, or the clock
spring may be defective.

PROBABLE CAUSES

• Malfunction of steering wheel audio remote con-

trol switch

• Malfunctions of ETACS-ECU

• Malfunction of the clock spring

• Damaged wiring harness and connectors

DIAGNOSIS PROCEDURE

STEP 1. Check if the tail lamp illuminates
normally.

Q: Is the check result normal?

YES :

Go to Step 2.

NO :

Troubleshoot the headlamp. Refer to

P.54A-

109

.

CLOCK
SPRING

Steering Wheel Audio Remote Control Switch Illumination Circuit

STEERING
WHEEL
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

ETACS-ECU

TAIL LAMP
RELAY

J/B SIDE

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-393

STEP 2. Connector check: C-311 steering wheel
audio remote control switch connector

Q: Is the check result normal?

YES :

Go to Step 3.

NO :

Repair the defective connector.

STEP 3. Measure the resistance at C-311 steering
wheel audio remote control switch connector.

(1) Disconnect the connector, and measure at the

wiring harness side.

(2) Resistance between terminal No.5 and body

earth

OK: Continuity exists (2

Ω or less)

Q: Is the check result normal?

YES :

Go to Step 5.

NO :

Go to Step 4.

STEP 4. Check the wiring harness between C-311
steering wheel audio remote control switch
connector terminal No.5 and body earth.

• Check the earth wires for open circuit.

Q: Is the check result normal?

YES :

Go to Step 5.

NO :

Repair the wiring harness.

AC903858 AF

Connector: C-311 <LHD>

Harness side

C-311 (R)

AC903869 AF

Connector: C-311 <RHD>

Harness side

C-311 (R)

AC903858 AF

Connector: C-311 <LHD>

Harness side

C-311 (R)

AC903869 AF

Connector: C-311 <RHD>

Harness side

C-311 (R)

AC310506KK

Connector C-311
(Harness side)

AC903858 AF

Connector: C-311 <LHD>

Harness side

C-311 (R)

AC903869 AF

Connector: C-311 <RHD>

Harness side

C-311 (R)

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-394

STEP 5. Check the steering wheel audio remote
control switch.
Check if the steering wheel audio remote control
switch illuminates. (Refer to

P.54A-397

).

Q: Is the check result normal?

YES :

Go to Step 6.

NO :

Replace the steering wheel audio remote
control switch.

STEP 6. Connector check: C-310 and C-306 clock
spring connectors

Q: Is the check result normal?

YES :

Go to Step 7.

NO :

Repair the defective connector.

STEP 7. 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.1 and C-306 clock
spring connector terminal No.6.

Q: Is the check result normal?

YES :

Go to Step 8.

NO :

Replace the clock spring.

STEP 8. Check the wiring harness between C-311
steering wheel audio remote control switch
connector terminal No.1 and C-310 clock spring
connector terminal No.1.

• Check the power supply line for open circuit and

short circuit.

Q: Is the check result normal?

YES :

Go to Step 9.

NO :

Repair the wiring harness.

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

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