Mitsubishi Montero (2002-2004). Manual - part 276

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-151

INSPECTION PROCEDURE D-3: Power Window: Only the front door window (LH) does not work 
normally by operating power window main switch.

.

CIRCUIT OPERATION
The front power window motor (LH) opens or closes 
the door window (LH) when the power window main 
switch is moved to "UP" or "DOWN" position.

.

TECHNICAL DESCRIPTION (COMMENT)
The power window main switch or the front power 
window motor (LH) may be defective.

.

TROUBLESHOOTING HINTS

• The power window main switch may be defective

• The front power window motor (LH) may be 

defective

• The wiring harness or connectors may have 

loose, corroded or damaged terminals, or termi-
nals pushed back in the connector

.

Power Window (front: LH) Circuit

AC000235AB

CONNECTORS: H-04, H-05

H-04

H-05

<DRIVER'S SIDE>

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-152

DIAGNOSIS

Required Special Tool:

• MB991223: Harness Set

STEP 1. Check the power window main switch.
(1) Remove the power window main switch. Refer to GROUP 

52A, Door Trim 

P.42-30

.

(2) Check continuity while power window main switch is moved 

to "UP" and "DOWN" position.

Q: Is the power window main switch in good condition?

YES : Go to Step 2.
NO :  Replace the power window main switch. Verify that 

the front power window (LH) function should now 
work normally.

STEP 2. Check the front power window motor (LH).
(1) Remove the front power window motor (LH). Refer to 

GROUP 42, Door 

− Door Glass and Regulator 

P.42-37

.

(2) Follow the table below to check the front power window 

motor (LH) for correct operation.

Q: Is the power window motor (LH) in good condition?

YES : Go to Step 3.
NO :  Replace the front power window motor (LH). Verify 

that the front power window (LH) function should now 
work normally.

FRONT (LH) 
SWITCH POSITION

TESTER 
CONNECTION

SPECIFIED 
CONDITION

UP

3 

− 8, 5 − 7

Less than 2 ohms

OFF

3 

− 7, 3 − 8, 7 − 

8

DOWN

3 

− 7, 5 − 8

7

6

5

4

3

2

1

14

13

12

11

10

9

8

ACX02412

BATTERY CONNECTION

SLIDER POSITION

• Connect terminal 6 to the 

positive battery terminal

• Connect terminal 2 to the 

negative battery terminal

The slider moves up

• Connect terminal 2 to the 

positive battery terminal

• Connect terminal 6 to the 

negative battery terminal

The slider moves down

5

6

1

2

3

4

AC000323

SLIDER

AB

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-153

STEP 3. Check power window main switch connector H-05 
and front power window motor (LH) connector H-04 for 
loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Are power window main switch connector H-05 and 

front power window motor (LH) connector H-04 in good 
condition?
YES : Go to Step 4.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Verify that the front power window (LH) 

function should now work normally.

STEP 4. Check the wiring harness between power window 
main switch connector H-05 (terminal 7) and front power 
window motor (LH) connector H-04 (terminal 6).
Q: Is the wiring harness between power window main 

switch connector H-05 (terminal 7) and front power 
window motor (LH) connector H-04 (terminal 6) in good 
condition?
YES : Go to Step 5.
NO :  The wiring harness may be damaged or the 

connector(s) may have loose, corroded or damaged 
terminals, or terminals pushed back in the connector. 
Repair the wiring harness as necessary. Verify that 
the front power window (LH) function should now 
work normally.

STEP 5. Check the wiring harness between power window 
main switch connector H-05 (terminal 8) and front power 
window motor (LH) connector H-04 (terminal 2).
Q: Is the wiring harness between power window main 

switch connector H-05 (terminal 8) and front power 
window motor (LH) connector H-04 (terminal 2) in good 
condition?
YES : No action is necessary and testing is complete.
NO :  The wiring harness may be damaged or the 

connector(s) may have loose, corroded or damaged 
terminals, or terminals pushed back in the connector. 
Repair the wiring harness as necessary. Verify that 
the front power window (LH) function should now 
work normally.

AC203774 AH

H-05

H-05

H-04

CONNECTORS: H-04, H-05

DRIVER'S DOOR

H-04

AC203774

CONNECTORS: H-04, H-05

AG

DRIVER'S DOOR

H-05

H-05

(HARNESS SIDE)

H-04

H-04

(HARNESS SIDE)

AC203774

CONNECTORS: H-04, H-05

AG

DRIVER'S DOOR

H-05

H-05

(HARNESS SIDE)

H-04

H-04

(HARNESS SIDE)

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-154

INSPECTION PROCEDURE D-4: Power Window: Power windows do not work normally by operating 
the front passenger’s and rear power window sub-switches. 

Power Window Sub Switch Circuit