Mitsubishi Montero (2004+). Manual - part 727

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-165

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 
RELAY

POWER WINDOW
MOTOR 

(FRONT: RH)

POWER WINDOW 
SUB SWITCH 

(FRONT: RH)

<PASSENGER'S SIDE>

POWER
WINDOW
MAIN
SWITCH

CIRCUIT
BREAKER

LOCK
SWITCH

Power Window (front: RH) Circuit

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-166

4

FUSIBLE LINK

POWER
WINDOW
RELAY

POWER WINDOW 
MAIN SWITCH

ETACS-
ECU

POWER 
WINDOW
SUB SWITCH 

(REAR: LH)

<REAR SIDE>

JUNCTION BLOCK

(REAR: LH)

(REAR: RH)

REAR
POWER WINDOW
SUB SWITCH 

(REAR: RH)

POWER WINDOW
MOTOR 

(REAR: LH)

POWER WINDOW
MOTOR 

(REAR: RH)

CIRCUIT
BREAKER

CIRCUIT
BREAKER

Power Window Sub Switch Circuit

AC000759

CONNECTORS: D-15, D-111

AB

D-15

D-111

AC000758

CONNECTORS: D-25, D-125

AI

D-25

D-125

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-167

.

CIRCUIT OPERATION
Power window motors open or close the door win-
dows when the front passenger's or rear passenger's 
sub switch is moved to "UP" or "DOWN" position. 

.

TECHNICAL DESCRIPTION (COMMENT)
A power window sub-switch or power window motor 
may be defective. Alternatively, the power window 
lock switch (incorporated in the power window main 
switch) may remain pressed to "LOCK" position.

.

TROUBLESHOOTING HINTS

• The power window main switch may be defective

• The front power window sub-switch (RH) may be 

defective

• The rear power window sub-switch (LH) may be 

defective

• The rear power window sub-switch (RH) may be 

defective

• The front power window motor (RH) may be 

defective

• The rear power window motor (LH) may be 

defective

• The rear power window motor (RH) may be 

defective

• The wiring harness or connectors may have 

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

.

ACX02285

CONNECTORS: D-208, D-219

AH

D-208

D-219

JUNCTION BLOCK (FRONT VIEW)

POWER WINDOW
RELAY

AC204484

AD

F-12

CONNECTORS: F-12, F-23 

F-23

AC000237AH

H-02

H-11

CONNECTORS: H-02, H-11

REAR DOOR <LH>

AC000235

H-05

CONNECTOR: H-05

AC

<DRIVER'S SIDE>

AC000238

CONNECTORS: H-16, H-17

H-16

H-17

AI

FRONT DOOR <RH>

AC000316

H-19

H-23

AG

CONNECTORS: H-19, H-23 
REAR DOOR <RH>

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-168

DIAGNOSIS

Required Special Tool:

• MB991223: Harness Set

STEP 1. Check power window main switch connector H-05 
for loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Is power window main switch connector H-05 in good 

condition?
YES : Go to Step 2.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Verify that the front power window 

sub-switch (RH) should now work normally.

AC203774

CONNECTOR: H-05

AE

DRIVER'S DOOR

9

2

12

1413

1110

5

7 6

4 3

8

1

HARNESS
SIDE