Mitsubishi Montero (2002-2004). Manual - part 300

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-247

STEP 4. 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 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 windshield wiper operates normally when the 
windshield wiper switch is moved to each position.

AC205138

CONNECTOR: A-08X

AC

BATTERY

FRONT-ECU

A-08X

A-08X

AC205116 AC

CONNECTOR: B-12

B-12 (B)

B-12 (B)

AC205142AC

CONNECTOR: A-05

A-05(B)

A-05(B)

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-248

STEP 5. 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.

AC205138

CONNECTOR: A-08X

AC

BATTERY

FRONT-ECU

A-08X

A-08X

AC205116 AC

CONNECTOR: B-12

B-12 (B)

B-12 (B)

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-249

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

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-250

.

TECHNICAL DESCRIPTION (COMMENT)
If the windshield wiper does not stop at predeter-
mined park position, the windshield wiper motor or 
the front-ECU may be defective.

.

TROUBLESHOOTING HINTS

• The windshield wiper motor may be defective

• The front-ECU may be defective

• The wiring harness or connectors may have 

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

AC205116 AB

CONNECTOR: B-12

B-12 (B)

AC204170

CONNECTOR : D-28

BB

ACX02285

CONNECTORS: D-208, D-221

AI

D-208

JUNCTION BLOCK (FRONT VIEW)

D-221