Mitsubishi Montero (2002-2004). Manual — part 251

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-51

STEP 10. Check the ground circuit to the sunroof motor
assembly. Test at sunroof motor assembly connector F-02.
(1) Disconnect sunroof motor assembly connector F-02 and

measure the resistance available at the wiring harness side
of the connector.

(2) Measure the resistance value between terminal 5 and

ground.

• The resistance should equal 2 ohms or less.

Q: Is the measured resistance 2 ohms or less?

YES : Go to Step 13.
NO : Go to Step 11.

STEP 11. Check sunroof motor assembly connector F-02
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is sunroof motor assembly connector F-02 in good

condition?
YES : Go to Step 12.
NO : Repair or replace the damaged component(s). Refer

to GROUP 00E, Harness Connector Inspection

P.00E-2

. The system should communicate with the

sunroof motor assembly (sunroof-ECU) normally.

STEP 12. Check the wiring harness between sunroof motor
assembly connector F-02 (terminal 5) and ground.
Q: Is the wiring harness between sunroof motor assembly

connector F-02 (terminal 5) and ground 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. The system
should communicate with the sunroof motor assembly
(sunroof-ECU) normally.

AC204177

CONNECTOR : F-02

AB

HARNESS SIDE

1

5

2

7

8

6

3

4

10 9

F-02

AC201746

5

1

7

8

6

2

9

10

4

3

AC

CONNECTOR: F-02
(HARNESS SIDE)

AC204177

CONNECTOR : F-02

AB

HARNESS SIDE

1

5

2

7

8

6

3

4

10 9

F-02

AC204177

CONNECTOR : F-02

AB

HARNESS SIDE

1

5

2

7

8

6

3

4

10 9

F-02

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-52

STEP 13. Check sunroof motor assembly connector F-02
and ETACS-ECU connector D-224 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are sunroof motor assembly connector F-02 and

ETACS-ECU connector D-224 in good condition?
YES : Go to Step 14.
NO : Repair or replace the damaged component(s). Refer

to GROUP 00E, Harness Connector Inspection

P.00E-2

. The system should communicate with the

sunroof motor assembly (sunroof-ECU) normally.

AC204174

CONNECTOR : D-224

AD

D-224(B)

D-224(B)

HARNESS SIDE

21

23

24

22

32

3433

31

26

27

28

3029

38

39

40

36

37

25

35

AC204177

CONNECTOR : F-02

AB

HARNESS SIDE

1

5

2

7

8

6

3

4

10 9

F-02

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-53

STEP 14. Check the wiring harness between sunroof motor
assembly connector F-02 (terminal 10) and ETACS-ECU
connector D-224 (terminal 21).

AC204174

CONNECTOR : D-224

AD

D-224(B)

D-224(B)

HARNESS SIDE

21

23

24

22

32

3433

31

26

27

28

3029

38

39

40

36

37

25

35

AC204195

CONNECTORS : F-02, F-24

F-02

AB

HARNESS SIDE

F-24

F-02

F-24

1

5

2

7

8

6

3

4

10 9

6

2

5

4

3

1

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-54

NOTE: Also check intermediate connectors D-26, F-24 and
joint connector D-02 for loose, corroded, or damaged terminals,
or terminals pushed back in the connector. If intermediate con-
nector D-26, F-24 or joint connector D-02 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 sunroof motor assembly

connector F-02 (terminal 10) and ETACS-ECU connector
D-224 (terminal 21) in good condition?
YES : Go to Step 15.
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. The system
should communicate with the sunroof motor assembly
(sunroof-ECU) normally.

STEP 15. Replace the ECU.
(1) Replace the sunroof motor assembly.
(2) The system should communicate with the sunroof motor

assembly normally.

Q: Can the system communicate with the sunroof motor

assembly?
YES : No action is necessary and testing is complete.
NO : Replace the ETACS-ECU. The system should

communicate with the sunroof motor assembly
(sunroof-ECU) normally.

AC204188

CONNECTORS : D-02, D-26

D-26

D-02

AE

D-02

D-26

9 10

8

6 7

31 32

30

29

18 19 20 21

5

4

2

1

3

27

26

24

23

25

12 13 14 15 16 17

28

11
22
33

2 3

1

7

6

12

11

8

13

5

4

9 10