Mitsubishi L200. Manual - part 757

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-395

STEP 9. Connector check: C-218 ETACS-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 10.

NO : 

Repair the defective connector.

AC509934

Connector: C-218 <LHD>

AJ

Junction 

block

Junction block side

AC509943

Connector: C-218 <RHD>

AC

Junction block

 (Rear view)

Junction block side

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-396

STEP 10. Check the wiring harness between C-
218 ETACS-ECU connector terminal No.15 and C-
306 clock spring connector terminal No.6.

• Check the communication line for open circuit 

and short circuit.

NOTE: 

Prior to the wiring harness inspection, check C-
138,C-09 joint connectors and C-209 junction block 
connector, and repair if necessary.

Q: Is the check result normal?

YES : 

Go to Step 11.

NO : 

Repair the wiring harness.

STEP 11. Retest the system
Check whether the illumination of the steering wheel 
audio remote control switch comes on normally.

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 steering wheel audio remote 
control switch.

AC509934

Connectors: C-209, C-218 <LHD>

Junction block (Front view)

C-209

C-209

CY

Harness side

C-218

Junction block side

C-218

AC509943

Connector: C-218 <RHD>

AC

Junction block

 (Rear view)

Junction block side

AC903856

Connectors: C-09, C-138 <LHD>

C-09 (GR)

AX

C-138 (L)

C-09, C-138

AC903868

Connectors: C-09, C-138 <RHD>

C-09 (GR)

BP

C-138 (L)

C-09, C-138

AC509936

Connector: C-209 <RHD>

CA

Junction block 
(Front view)

Harness side

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-397

REMOVAL AND INSTALLATION

M1544015600131

WARNING

•

Before removing the air bag module, refer to GROUP 52B, Service Precautions  and 
Driver’s Front Passenger's Air Bag Module and Clock Spring .

•

When removing and installing the steering wheel, do not let it bump against the air bag 
module.

STEERING WHEEL AUDIO REMOTE 
CONTROL SWITCH INSPECTION

M1544015700291

STEERING WHEEL AUDIO REMOTE 
CONTROL SWITCH CHECK

Use an ohmmeter to measure the resistance value 
between the terminal.

Pre-removal operation
• Removal of driver’s air bag module (Refer to GROUP 

52B, Driver’s, Front Passenger's Air Bag Module and 

Clock Spring ).

Post-installation operation
• Installation of driver’s air bag module (Refer to GROUP 

52B, Driver’s, Front Passenger's Air Bag Module and 

Clock Spring ).

AC605239AD

1

Driver's air bag module

Removal Step 

1.

Steering wheel audio remote 
control switch

AC605242

“VOL up” switch

“CH up” 
switch

“CH down” 
switch

“VOL down” 
switch

“Mode” switch

AC

AC600711AC

HANDS FREE-ECU

CHASSIS ELECTRICAL

54A-398

ILLUMINATION CHECK

Apply the battery voltage of steering wheel audio 
remote control switch connector terminal No. 1 and 
5, and check if the steering wheel audio remote con-
trol switch illuminates.
NOTE: Make sure that the polarity is correct.

HANDS FREE-ECU

GENERAL INFORMATION

M1544401200376

The hands-free interface system enables handsfree 
talking and playing music by bluetooth

® connection 

with bluetooth

® device (mobile phone or music 

player). In addition, music can be played by connect-
ing the USB-compatible device to the USB connec-
tor.

Switch Position

Tester 
Connection

Measurement 
Value

No push

2 

− 3

Approximately 
3.1 k

Ω

2 

− 4

Approximately 
71 k

Ω

"Mode" switch

Approximately 
270 

Ω

"CH up" switch

Approximately 
740 

Ω

"CH down" switch

Approximately 
1.3 k

Ω

"VOL up" switch

Approximately 
2.1 k

Ω

"VOL down" switch

Approximately 
3.1 k

Ω

AC800648AB