Mitsubishi Montero (2002-2004). Manual - part 324

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-343

STEP 35. Check the wiring harness between rear light (RH) 
connector G-12 (terminal 3) and ground.

NOTE: Also check intermediate connector F-10 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the 
connector. If intermediate connector F-10 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 rear light (RH) connector 

G-12 (terminal 3) and ground in good condition?
YES : Replace the rear combination light socket (RH). Verify 

that the taillight (RH) illuminates 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 taillight (RH) illuminates normally.

AC204179

CONNECTOR : G-12

AF

HARNESS SIDE

G-12(B)

G-12(B)

3

4

2

1

AC204178

CONNECTOR : F-10

AD

F-10(GR)

F-10(GR)

3

1

2

4

5

6

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-344

STEP 36. Check rear light (RH) connector G-12 and front-
ECU connector A-07X for loose, corroded or damaged 
terminals, or terminals pushed back in the connector.
Q: Are rear light (RH) connector G-12 and front-ECU 

connector A-07X in good condition?
YES : Go to Step 37.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Verify that the taillight (RH) illuminates 

normally.

AC204183

CONNECTOR : A-07X

AB

2 1

3

4

6

7

8

9

5

11 10

RELAY BOX SIDE

AC204179

CONNECTOR : G-12

AF

HARNESS SIDE

G-12(B)

G-12(B)

3

4

2

1

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-345

STEP 37. Check the wiring harness between rear light (RH) 
connector G-12 (terminal 1) and front-ECU connector A-
07X (terminal 8).

AC204183

CONNECTOR : A-07X

AB

2 1

3

4

6

7

8

9

5

11 10

RELAY BOX SIDE

AC204179

CONNECTOR : G-12

AF

HARNESS SIDE

G-12(B)

G-12(B)

3

4

2

1

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-346

NOTE: Also check intermediate connectors D-28, D-111 and F-
10 for loose, corroded, or damaged terminals, or terminals 
pushed back in the connector. If intermediate connector D-28, 
D-111 or F-10 is damaged, repair or replace the damaged com-
ponent(s) as described in GROUP 00E, Harness Connector 
Inspection 

P.00E-2

.

Q: Is the wiring harness between rear light (RH) connector 

G-12 (terminal 1) and front-ECU connector A-07X 
(terminal 8) in good condition?
YES : Replace the rear light socket (RH). Verify that the 

taillight (RH) illuminates 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 taillight (RH) illuminates normally.

STEP 38. Check the license plate light bulb.
(1) Remove the license plate light bulb.
(2) Verify that the license plate light bulb is not damaged or 

burned out.

Q: Is the license plate light bulb in good condition?

YES : Go to Step 39.
NO :  Replace the license plate light bulb. Verify that the 

license plate light illuminate normally.

AC204170

CONNECTOR : D-28

AI

2 3

27

32

28

33

16

15

4 5

19

18

29

17

34

7 8

35

22

21

9 10

30

36

31

37

25

24

23

6

20

1

14

26

11

13

12

38

AC204171

CONNECTOR : D-111

AC

9

8

6 7

5

3 4

20

32

21

33

43

17 18

30

41

16

29

28

39 40

13

25

12

24

35 36

14

26

37

15

27

38

19

31

42

1

10

22

2

11

23

34

AC204178

CONNECTOR : F-10

AD

F-10(GR)

F-10(GR)

3

1

2

4

5

6