Mitsubishi Galant. Manual — part 561

DOOR

TSB Revision

BODY

42-27

INSPECTION PROCEDURE 3: Only the rear door window <LH> does not open and close.

AC000580AB

Rear Power Window Motor <LH> Drive Circuit

DOOR

TSB Revision

BODY

42-28

CIRCUIT OPERATION

•

When the rear power window switch is operated
up or down, the rear power window motor
operates and opens or closes the door window.

TECHNICAL DESCRIPTION (COMMENT)

•

The cause may be a malfunction of the rear
power window motor <LH> drive circuit.

TROUBLESHOOTING HINTS

•

Malfunction of the power window main switch

•

Malfunction of the rear power window sub-switch
<LH>

•

Malfunction of the rear power window motor
<LH>

•

Damaged harness wires or connectors

DIAGNOSIS

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

P.42-54

.

(2) Check the continuity when the rear power window main

switch <LH> is turned to the UP position or DOWN position.

Q: Is the power window main switch damaged?

YES : Replace it, then go to Step 6.
NO : Go to Step 2.

AC003079AL

CONNECTOR
BLOCK (LH)

CONNECTORS: C-67, C-68

C-67

C-68

AC000581

CONNECTOR: D-19

AB

AC000570

CONNECTORS: E-12, E-13, E16

E-12

E-13

E-16

AD

REAR <LH> SWITCH
POSITION

TESTER
CONNECTION

SPECIFIED
CONDITION

When the lock
switch is
locked.

UP

1

−

13

Continuity

OFF

1

−

2

Continuity

DOWN

2

−

13

Continuity

When the lock
switch is un-
locked.

UP

1

−

13, 2

−

12

Continuity

OFF

1

−

2

−

12

Continuity

DOWN

2

−

13, 1

−

12

Continuity

AC000571

5

4

6

13

3

2

1

14

12

11

10

9

8

7

DOOR

TSB Revision

BODY

42-29

STEP 2. Check the rear power window sub-switch <LH>
continuity.
(1) Remove the rear power window sub-switch <LH>. (Refer to

P.42-54

.

(2) Check the continuity when the rear power window sub-

switch <LH> is turned to the UP position or DOWN position.

Q: Is the rear power window sub-switch <LH> damaged?

YES : Replace it, then go to Step 6.
NO : Go to Step 3.

STEP 3. Check the rear power window motor <LH>
operation.
(1) Remove the rear power window regulator <LH>. (Refer to

P.42-56

.

(2) Connect a battery directly to the motor terminals and check

that the motor runs smoothly.

Q: Is the rear power window motor <LH> damaged?

YES : Replace it, then go to Step 6.
NO : Go to Step 4.

STEP 4. Check the harness wires between rear power
window sub-switch <LH> connector E-12 and rear power
window motor <LH> connector E-13.
Q: Are there any damaged wires between rear power

window sub-switch <LH> connector E-12 and rear
power window motor <LH> connector E-13?
YES : Repair them, then go to Step 6.
NO : Go to Step 5.

SWITCH
POSITION

TESTER
CONNECTION

SPECIFIED
CONDITION

UP

4

−

5, 6

−

7

Continuity

OFF

4

−

5, 6

−

8

Continuity

DOWN

4

−

7, 6

−

8

Continuity

AC000582

1

2 3

4 5 6 7 8

TESTER CONNECTION

SLIDER POSITION

1

−

Battery(+), 2

−

Battery(-)

UP

2

−

Battery(+), 1

−

Battery(-)

DOWN

AC000798

2

1

SLIDER

AB

AC000570AE

CONNECTORS: E-12, E-13

E-12

E-13

DOOR

TSB Revision

BODY

42-30

STEP 5. Check the harness wires between power window
main switch connector E-16 and rear power window sub-
switch <LH> connector E-12.
Q: Are there any damaged wires between power window

main switch connector E-16 and rear power window
sub-switch <LH> connector E-12?
YES : Repair them, then go to Step 6.
NO : Go to Step 6.

NOTE: After inspecting intermediate connector C-67, C-68 or
D-19, inspect the wire. If intermediate connector C-67, C-68 or
D-19 is damaged, repair or replace it. Refer to GROUP 00E

P.00E-2

, Harness Connector Inspection. Then go to Step 6.

STEP 6. Check symptoms

Q: Does the rear door window <LH> open and close

normally?
YES : This diagnosis is complete.
NO : Return to Step 1.

AC000570

E-16

E-12

CONNECTORS: E-12, E-16

AF

AC003079AL

CONNECTOR
BLOCK (LH)

CONNECTORS: C-67, C-68

C-67

C-68

AC000581

CONNECTOR: D-19

AB