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

SYMPTOM PROCEDURES

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SWS SYMPTOM PROCEDURES

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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

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SWS SYMPTOM PROCEDURES

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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

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SWS SYMPTOM PROCEDURES

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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

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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