Mitsubishi Montero (2004+). Manual - part 747

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-245

STEP 3. Check the windshield wiper motor.
(1) Disconnect windshield wiper motor connector B-12.

(2) Connect a battery to the windshield wiper motor as shown. 

Then check the windshield wiper motor operates normally 
at high and low speeds.

Q: Does the windshield wiper motor operate normally?

YES : Go to Step 4.
NO :  Replace the windshield wiper motor. Verify that the 

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

STEP 4. Check front-ECU connector A-08X for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.
Q: Is front-ECU connector A-08X 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.

AC205116 AD

CONNECTOR: B-12

B-12 (B)

(HARNESS SIDE)

B-12 (B)

1

2

3

4

5

1

2 3

4

5

1

2 3

4

5

ACX02403

B-12

AB

LOW-SPEED

HIGH-SPEED

AC204183

CONNECTOR : A-08X

AC

22

23

21

26 25

27

28

31 30 29

24

RELAY BOX SIDE

A-08X

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-246

STEP 5. Check the wiring harness between windshield 
wiper motor connector B-12 (terminal 1) and front-ECU 
connector A-08X (terminal 28).

NOTE: Also check intermediate connector A-05 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the 
connector. If intermediate connector A-05 is damaged, repair or 
replace the damaged component(s) as described in GROUP 
00E, Harness Connector Inspection 

P.00E-2

.

Q: Is the wiring harness between windshield wiper motor 

connector B-12 (terminal 1) and front-ECU connector 
A-08X (terminal 28) in good condition?
YES : Go to Step 6.
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.

AC204183

CONNECTOR : A-08X

AC

22

23

21

26 25

27

28

31 30 29

24

RELAY BOX SIDE

A-08X

AC205116 AD

CONNECTOR: B-12

B-12 (B)

(HARNESS SIDE)

B-12 (B)

1

2

3

4

5

AC205142AC

CONNECTOR: A-05

A-05(B)

A-05(B)

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-247

STEP 6. Check the wiring harness between windshield 
wiper motor connector B-12 (terminal 4) and front-ECU 
connector A-08X (terminal 27).
Q: Is the wiring harness between windshield wiper motor 

connector B-12 (terminal 4) and front-ECU connector 
A-08X (terminal 27) 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.

AC204183

CONNECTOR : A-08X

AC

22

23

21

26 25

27

28

31 30 29

24

RELAY BOX SIDE

A-08X

AC205116 AD

CONNECTOR: B-12

B-12 (B)

(HARNESS SIDE)

B-12 (B)

1

2

3

4

5

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-248

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

Windshield Wiper Automatic Stop Relay Circuit

AC205142AB

CONNECTOR: A-05

A-05(B)

AC205138

CONNECTOR: A-08X

AB

BATTERY

FRONT-ECU

A-08X