Mitsubishi Montero (2002-2004). Manual - part 482

SIDE STEP LIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-99

 STEP 3. Check side step light-ECU connector D-137 and 
ETACS-ECU connector D-222 for loose, corroded or 
damaged terminals, or terminals pushed back in the 
connector.
Q:  Is side step light-ECU connector D-137 and ETACS-ECU 

connector D-222 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 side step light illuminate 

normally.

AC204170

CONNECTOR : D-137

HARNESS SIDE

D-137(GR)

D-137(GR)

AR

1

2

8 7

4

5

10

11

12

6

9

3

AC204174

CONNECTOR : D-222

AB

1

2

3

5

6

4

9 8

121110

13

15 14

16

17

7

19

20

18

JUNCTION BLOCK SIDE

D-222

SIDE STEP LIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-100

 STEP 4. Check the wiring harness between side step light-
ECU connector D-137 (terminal 3) and ETACS-ECU 
connector D-222 (terminal 4).

NOTE: Also check junction block connector D-217 for loose, 
corroded, or damaged terminals, or terminals pushed back in 
the connector. If junction block connector D-217 is damaged, 
repair or replace the connector as described in GROUP 00E, 
Harness Connector Inspection 

P.00E-2

.

Q:  Is the wiring harness between side step light-ECU 

connector D-137 (terminal 3) and ETACS-ECU connector 
D-222 (terminal 4) in good condition?
YES : Replace the side step light-ECU. Verify that the side 

step light illuminate normally.

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 side step light illuminate normally.

AC204170

CONNECTOR : D-137

HARNESS SIDE

D-137(GR)

D-137(GR)

AR

1

2

8 7

4

5

10

11

12

6

9

3

AC204174

CONNECTOR : D-222

AB

1

2

3

5

6

4

9 8

121110

13

15 14

16

17

7

19

20

18

JUNCTION BLOCK SIDE

D-222

AC204173

CONNECTOR : D-217

AG

HARNESS SIDE

8

1

11 10

3

4

12

9

2

13

14

6 5

15

7

D-217

SIDE STEP LIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-101

 STEP 5. Check side step light-ECU connector D-137 and 
ETACS-ECU connector D-222 for loose, corroded or 
damaged terminals, or terminals pushed back in the 
connector.
Q:  Is side step light-ECU connector D-137 and ETACS-ECU 

connector D-222 in good condition?
YES : Go to Step 6.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Verify that the side step light illuminate 

normally.

AC204170

CONNECTOR : D-137

HARNESS SIDE

D-137(GR)

D-137(GR)

AR

1

2

8 7

4

5

10

11

12

6

9

3

AC204174

CONNECTOR : D-222

AB

1

2

3

5

6

4

9 8

121110

13

15 14

16

17

7

19

20

18

JUNCTION BLOCK SIDE

D-222

SIDE STEP LIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-102

 STEP 6. Check the wiring harness between side step light-
ECU connector D-137 (terminal 8) and ETACS-ECU 
connector D-222 (terminal 19).

NOTE: Also check junction block connector D-217 for loose, 
corroded, or damaged terminals, or terminals pushed back in 
the connector. If junction block connector D-217 is damaged, 
repair or replace the connector as described in GROUP 00E, 
Harness Connector Inspection 

P.00E-2

.

Q:  Is the wiring harness between side step light-ECU 

connector D-137 (terminal 8) and ETACS-ECU connector 
D-222 (terminal 19) in good condition?
YES : Replace the side step light-ECU. Verify that the side 

step light illuminate normally.

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 side step light illuminate normally.

AC204170

CONNECTOR : D-137

HARNESS SIDE

D-137(GR)

D-137(GR)

AR

1

2

8 7

4

5

10

11

12

6

9

3

AC204174

CONNECTOR : D-222

AB

1

2

3

5

6

4

9 8

121110

13

15 14

16

17

7

19

20

18

JUNCTION BLOCK SIDE

D-222

AC204173

CONNECTOR : D-217

AG

HARNESS SIDE

8

1

11 10

3

4

12

9

2

13

14

6 5

15

7

D-217