Mitsubishi L200. Manual - part 704

 

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Mitsubishi L200. Manual - part 704

 

 

INTERIOR LAMP

CHASSIS ELECTRICAL

54A-183

Inspection Procedure 2: The front room lamp does not illuminate normally.

CAUTION

Whenever the ECU is replaced, ensure that the 
input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM
If the front room lamp do not illuminate, the wiring 
harness connector(s), the bulb or the fuse may be 
defective or burned out.

PROBABLE CAUSES

• Malfunction of the front room lamp

• Malfunction of the front room lamp bulbs

• Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

STEP 1. Check that the rear room lamp and 
ignition key cylinder illumination lamp 
illuminates.
Check that the rear room lamp and ignition key cylin-
der illumination lamp illuminates normally.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Refer to Inspection Procedure 1 "The 
interior lamps (front room ramp, rear room 
lamp and ignition key cylinder illumination 
lamp) does not illuminate or extinguish 
normally 

P.54A-181

."

Front Room Lamp Circuit

FUSIBLE
LINK

FRONT
ROOM
LAMP

ETACS-ECU

20

J/B SIDE

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

INTERIOR LAMP

CHASSIS ELECTRICAL

54A-184

STEP 2. Retest the system.

Q: At which switch positions (DOOR or ON), the front 

room lamp does not illuminate? 
The lamp does not illuminate at both the ON and 
DOOR positions.  : 

Go to Step 3.

The lamp does not illuminate at the door position. : 

Go to Step 7.

The lamp does not illuminate at the ON position. : 

Replace the front room lamp.

STEP 3. Connector check: D-03 front room lamp 
connector

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Repair the defective connector.

STEP 4. Check the bulb.
Check whether the front room lamp bulb is normal.

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Replace the bulb(s) of the defective lamp.

STEP 5. Check the front room lamp.
Check whether the front room lamp is normal.

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Replace the front room lamp.

STEP 6. Check the wiring harness from D-03 
front room lamp connector terminal No.1 to 
fusible link (20).

NOTE: 

Prior to the wiring harness inspection, check junction 
block connectors C-206 and C-213 repair if neces-
sary.
Check the power supply line for open circuit and 
short circuit.

Q: Is the check result normal?

YES : 

The trouble can be an intermittent 

malfunction (Refer to GROUP 00 

− How to 

Cope with Intermittent Malfunction ).

NO : 

Repair the wiring harness.

AC903885AS

Connector: D-03

Harness side

AC903885AS

Connector: D-03

Harness side

AC509934

Connectors: C-206, C-213 <LHD>

Junction block (Front view)

C-213

C-206

C-206

C-213

AG

Harness side

Harness side

AC509936

Connectors: C-206, C-213 <RHD>

C-213

C-206

C-213

Harness side

Harness side

C-206

AF

Junction block 
(Front view)

INTERIOR LAMP

CHASSIS ELECTRICAL

54A-185

STEP 7. Connector check: C-218 ETACS-ECU 
connector and D-03 front room lamp connector

Q: Is the check result normal?

YES : 

Go to Step 8.

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

AC903885AS

Connector: D-03

Harness side

INTERIOR LAMP

CHASSIS ELECTRICAL

54A-186

STEP 8. Check the wiring harness from C-218 
ETACS-ECU connector terminal No.18 to D-03 
front room lamp connector terminal No.2

NOTE: 

Prior to the wiring harness inspection, check junction 
block connector C-206 repair if necessary.
Check the input and output lines for open circuit.

Q: Is the check result normal?

YES : 

The trouble can be an intermittent 

malfunction (Refer to GROUP 00 

− How to 

Cope with Intermittent Malfunction ).

NO : 

Repair the wiring harness.

AC509935AF

Connectors: C-206, C-218 <LHD>

C-218

C-206

Junction block side

Harness side

C-206

C-218

AC509943

Connector: C-218 <RHD>

AC

Junction block

 (Rear view)

Junction block side

AC903885AS

Connector: D-03

Harness side

AC509936

Connector: C-206 <RHD>

Harness side

BA

Junction block 
(Front view)

 

 

 

 

 

 

 

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