Mitsubishi Galant 9G. Manual — part 69

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-272

STEP 4. Check front-ECU connector A-12X for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is front-ECU connector A-12X in good condition?

YES : Go to Step 5.
NO : Repair or replace the damaged component(s). Refer

to GROUP 00E, Harness Connector Inspection

P.00E-2

. Verify that the windshield wiper operates

normally when the windshield wiper switch is moved
to each position.

STEP 5. Check the wiring harness between windshield
wiper motor connector A-03 (terminals 1 and 2) and
front-ECU connector A-12X (terminals 25 and 24).
Q: Is the wiring harness between windshield wiper motor

connector A-03 (terminals 1 and 2) and front-ECU
connector A-12X (terminals 25 and 24) 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 windshield wiper operates normally when the
windshield wiper switch is moved to each position.

AC305977

CONNCTOR: A-12X

AI

21

22

23

24

25

26

27

28

29

30

31

RELAY BOX SIDE

AC305206

A-03 (B)

HARNESS SIDE

CONNECTOR: A-03

AH

AC305977

CONNCTOR: A-12X

AI

21

22

23

24

25

26

27

28

29

30

31

RELAY BOX SIDE

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-273

INSPECTION PROCEDURE G-4: Windshield Wiper and Washer: Windshield wipers does not stop at
the predetermined park position.

.

WINDSHIELD
WIPER MOTOR

FRONT-ECU

WIPER
AUTOMATIC
STOP RELAY

RELAY
BOX

IGNITION
SWITCH (ACC)

Windshield Wiper Automatic Stop Relay Circuit

AC305206

A-03 (B)

CONNECTOR: A-03

AI

AC305977

CONNECTOR: A-12X

AF

AC305231

CONNECTOR: C-29

AH

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-274

TECHNICAL DESCRIPTION (COMMENT)

If the windshield wipers do not stop at predetermined
park position, the windshield wiper motor or the
front-ECU may be defective.

.

TROUBLESHOOTING HINTS

• The wiring harness or connectors may have

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

• The windshield wiper motor may be defective

• The front-ECU may be defective

DIAGNOSIS

Required Special Tool:

• MB991223: Harness Set

STEP1. Check windshield wiper motor connector A-03 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is windshield wiper motor connector A-03 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 windshield wiper works

normally.

AC305206

A-03 (B)

HARNESS SIDE

CONNECTOR: A-03

AH

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-275

STEP 2. Check the windshield wiper motor.
(1) Disconnect windshield wiper motor connector A-03.

(2) Connect the vehicle battery to the windshield wiper motor

connector as shown, and operate the windshield wiper at
low speed. While the windshield wiper is working,
disconnect the battery at positions other than the
predetermined park position to stop the windshield wiper
motor.

(3) When the battery is connected as shown, the motor should

run at low speed, and then stop at the predetermined park
position.

Q: Does the windshield wiper motor operate normally?

YES : Go to Step 3.
NO : Replace the windshield wiper motor. The windshield

wiper should now stop at the predetermined park
position.

AC305206

A-03 (B)

HARNESS SIDE

CONNECTOR: A-03

AH

1

2

3

4

5

AC306755

1

2

3

4

5

1

2

3

4

5

STOP POSITION CHECK

(B) AUTOMATICAL STOP

(A) LOW SPEED

AB