Mitsubishi L200. Manual - part 519

DOOR

BODY

42-136

• Malfunction of the power window motor (front: 

RH), power window motor (rear: RH) or power 
window motor (rear: LH)

• Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

STEP 1. Check the power window main switch.
Check that the power window lock switch is turned 
off.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Turn off the power window lock switch.

STEP 2. M.U.T.-III diagnosis code.
When the ignition switch is turned to the "ON" posi-
tion, check that the ETACS-ECU does not set the 
diagnosis code.

Q: Is the diagnosis code set?

YES : 

Refer to 

P.42-64

.

NO : 

Go to Step 3.

STEP 3. Determine a trouble spot.

Q: Which power window does not work?

Front passenger's door  : 

Go to Step 4.

Rear right door <Double cab>  : 

Go to Step 12.

Rear left door <Double cab>  : 

Go to Step 20.

STEP 4. Connector check: E-26 power window 
sub switch (front: RH) connector

AC509954

Connector: E-26 <LHD>

AJ

Harness side

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair the connector.

STEP 5. Check the power window sub switch 
(front: RH) 
Check that the power window sub switch (front: RH) 
works normally. Refer to 

P.42-186

.

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Replace the power window sub switch 
(front: RH).

STEP 6. Voltage measurement at the E-26 power 
window sub switch (front: RH) connector.

AC509954

Connector: E-26 <LHD>

AJ

Harness side

(1) Disconnect the connector, and measure at the 

wiring harness side.

(2) Turn the ignition switch to the ON position.

AC310507JG

Connector E-26
(harness side)

(3) Check the voltage between the E-26 power 

window sub switch (front: RH) connector terminal 
No.4 and body earth.

OK: System voltage

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Go to Step 7.

STEP 7. Connector check: A-24X power window 
relay connector

AC600252

AG

Connector: A-24X

Relay box side

Q: Is the check result normal?

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42-137

YES : 

Go to Step 8.

NO : 

Repair the connector.

STEP 8. Check the wiring harness between E-26 
power window sub switch (front: RH) connector 
terminal No.4 and A-24X power window relay 
connector terminal No.3.

AC600252

AG

Connector: A-24X

Relay box side

AC509954

Connector: E-26 <LHD>

AJ

Harness side

NOTE: 

AC903856

Connectors: C-32, C-33 <LHD>

AJ

C-33

C-32

C-33

C-32 (GR)

AC903853

Connector: C-122 <LHD>

AG

Prior to the wiring harness inspection, check interme-
diate connectors C-33, C-122 and joint connector C-
32, and repair if necessary.

• Check the power supply line for open circuit.

Q: Is the check result normal?

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42-138

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 : 

Repair the wiring harness.

STEP 9. Connector check: E-01 power window 
motor (front: RH) connector

AC509954

Connectors: E-01 <LHD>

AK

Harness side

E-01 (B)

Q: Is the check result normal?

YES : 

Go to Step 10.

NO : 

Repair the connector.

STEP 10. Check the wiring harness between E-01 
power window motor (front: RH) connector 
terminal Nos. 1, 3 and E-26 power window sub 
switch (front: RH) connector terminal Nos. 5, 7.

AC509954

Connectors: E-01, E-26 <LHD>

AH

Harness side

E-26

E-26

Harness side

E-01 (B)

E-01 (B)

• Check the input and output lines for open and 

short circuit.

Q: Is the check result normal?

YES : 

Go to Step 11.

NO : 

Repair the wiring harness.

STEP 11. Retest the system.
(1) Replace the power window sub switch (front: 

RH).

(2) Check that the front passenger's door power 

window can be operated by the power window 
sub switch (front: RH).

Q: Is the check result normal?

YES : 

The procedure is complete.

NO : 

Replace the power window motor (front: 
RH).

STEP 12. Connector check: E-06 power window 
sub switch (rear: RH) connector

AC509958

Connector: E-06

AD

Harness side

Q: Is the check result normal?

YES : 

Go to Step 13.

NO : 

Repair the connector.

STEP 13. Check the power window sub switch 
(rear: RH) 
Check that the power window sub switch (rear: RH) 
works normally. Refer to 

P.42-186

.

Q: Is the check result normal?

YES : 

Go to Step 14.

NO : 

Replace the power window sub switch (rear: 
RH).

STEP 14. Voltage measurement at the E-06 power 
window sub switch (rear: RH) connector.

AC509958

Connector: E-06

AD

Harness side

(1) Disconnect the connector, and measure at the 

wiring harness side.

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42-139

(2) Turn the ignition switch to the ON position.

AC310507JA

Connector E-06
(harness side)

(3) Check the voltage between the E-06 power 

window sub switch (rear: RH) connector terminal 
No.4 and body earth.

OK: System voltage

Q: Is the check result normal?

YES : 

Go to Step 17.

NO : 

Go to Step 15.

STEP 15. Connector check: A-24X power window 
relay connector

AC600252

AG

Connector: A-24X

Relay box side

Q: Is the check result normal?

YES : 

Go to Step 16.

NO : 

Repair the connector.

STEP 16. Check the wiring harness between E-06 
power window sub switch (rear: RH) connector 
terminal No.4 and A-24X power window relay 
connector terminal No.3.

AC600252

AG

Connector: A-24X

Relay box side

AC509958

Connector: E-06

AD

Harness side

NOTE: 

AC805687

Connector: C-16 <LHD>

AJ

AC903856

Connectors: C-32, C-33 <LHD>

AJ

C-33

C-32

C-33

C-32 (GR)

Prior to the wiring harness inspection, check interme-
diate connectors C-16, C-33 and joint connector C-
32, and repair if necessary.

• Check the power supply line for open circuit.

Q: Is the check result normal?