Mitsubishi Montero (2002-2004). Manual - part 266

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-111

STEP 14. Check the rear passenger's door lock actuator 
(RH).

1. Remove the rear passenger’s door lock actuator (RH), and 

check it. Refer to GROUP 42 

− Door Handle and Latch 

P.42-40

.

2. Follow the table below to check the rear passenger's door 

lock actuator (RH) for correct operation.

Q: Is the rear passenger's seat door lock actuator (RH) 

normal?
YES : Go to Step 15.
NO :  Replace the rear passenger’s seat door lock actuator 

(RH). Verify that all the doors can be locked and 
unlocked normally.

LEVER 
POSITION

BATTERY 
CONNECTION

LEVER 
OPERATION

At the 
"LOCK" 
position

• Connect terminal 3 

to the positive 
battery terminal

• Connect terminal 2 

to the negative 
battery terminal

The lever moves 
from the "LOCK" 
position to the 
"UNLOCK" position.

At the 
"UNLOCK" 
position

• Connect terminal 2 

to the positive 
battery terminal

• Connect terminal 3 

to the negative 
battery terminal

The lever moves 
from the "UNLOCK" 
position to the 
"LOCK" position.

AC201170

1 2 3

4 5 6

LEVER

LOCK

UNLOCK

VIEW A

A

AB

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-112

STEP 15. Check ETACS-ECU connector D-222 and rear 
passenger’s door lock actuator (RH) connector H-21 for 
loose, corroded or damaged terminals, or terminals 
pushed back in the connector. 
Q: Are ETACS-ECU connector D-222 and rear passenger’s 

seat door lock actuator (RH) connector H-21 in good 
condition?
YES : Go to Step 16.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. After repairs have been made, verify that all 

the doors can now be locked and unlocked normally.

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

AC000316AI

CONNECTOR: H-21

REAR DOOR <RH>

1 2 3

4 5 6

H-21 (B)

H-21 (B)

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-113

STEP 16. Check the harness wiring from ETACS-ECU 
connector D-222 (terminal 4) to rear passenger's door lock 
actuator (RH) connector H-21 (terminal 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

AC000316 AJ

CONNECTOR: H-21

REAR DOOR <RH>

1

2

3

4

5

6

H-21 (B)

H-21 (B)

(HARNESS SIDE)

SYMPTOM PROCEDURES

TSB Revision

SWS SYMPTOM PROCEDURES

54Bb-114

NOTE: Also check junction block connector D-209 and inter-
mediate connector D-111 and F-23 for loose, corroded, or dam-
aged terminals, or terminals pushed back in the connector. If 
junction block connector D-209 or intermediate connector D-
111 or F-23 are damaged, repair or replace the damaged com-
ponent(s) as described in GROUP 00E, Harness Connector 
Inspection

P.00E-2

.

Q: Is the harness wiring from ETACS-ECU connector D-222 

(terminal 4) to rear passenger's door lock actuator (RH) 
connector H-21 (terminal 3) in good condition?
YES : Replace the ETACS-ECU. Verify that all the doors 

can be locked and unlocked normally.

NO :  The harness wiring may be damaged or the 

connectors may have loose, corroded or damaged 
terminals, or terminals pushed back in the connector. 
Repair the harness wiring as necessary. After repairs 
have been made, verify that all the doors can now be 
locked and unlocked normally.

AC203850

CONNECTOR: D-209

AE

D-209

D-209

JUNCTION BLOCK 
(FRONT VIEW)

AC203860AC

D-111

CONNECTOR: D-111

D-111

AC204484

AC

CONNECTOR: F-23

F-23

F-23