Mitsubishi Montero Sport (2004+). Manual - part 455

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NOTE: After inspecting intermediate connectors E-31 and E-42 
inspect the wire. If intermediate connectors E-31 or E-42 is 
damaged, repair or replace damaged component. Refer to 
GROUP 00E 

P.00E-2

, Harness Connector Inspection. Then go 

to Step 22.
Q: Are there any damaged harness wires between 

ETACS-ECU connectors D-10 (terminals No.21 and 
No.24) <Vehicles without keyless entry system> or D-27 
(terminals No.41 and No.42) <Vehicles with keyless 
entry system> and door lock actuator (reart: LH) 
connector F-09 (terminals No.1 and No.2)?
YES : Replace the ETACS-ECU and then go to step 22.
NO :  Repair or replace the damaged components. Refer to 

GROUP 00E 

P.00E-2

, Harness Connector inspection. 

Then go to Step 22.

STEP 18. Check door lock actuator (liftgate) connector 
G-04 for loose, corroded or damaged terminals, or 
terminals pushed back in the connector.
Q: Is the connector in good condition?

YES : Go to step 19.
NO :  Repair or replace the damaged components. Refer to 

GROUP 00E 

P.00E-2

, Harness Connector inspection. 

Then go to Step 22.

AC309451

6

2
7

5

1
3 4

8

19

7

6

5

16

15

17 18

4

3

2

10 11 12 13

1
9

14

CONNECTORS: E-31, E-42

E-03

E-42

E-42

E-31

AB

AC202036

1

4 3

2
5

CONNECTOR: G-04

AB

G-04

COMPONENT 
SIDE

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STEP 19. Check the door lock actuator (liftgate).
(1) Remove the liftgate lock key cylinder (Refer to 

P.42-152

).

(2) Follow the table to check the liftgate lock actuator operation 

(lock/unlock).
Actuator Operation Check 

Q: Is the liftgate lock actuator damaged?

YES : Replace liftgate lock actuator, then go to Step 22 .
NO :  Go to Step 20.

LEVER 
POSITION

BATTERY 
CONNECTION

LEVER 
OPERATION

At the "LOCK" 
position

• Connect terminal 

No. 1 and the 
positive battery 
terminal.

• Connect terminal 

No. 2 and the 
negative battery 
terminal.

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

At the "UNLOCK" 
position

• Connect terminal 

No. 2 and the 
positive battery 
terminal.

• Connect terminal 

No. 1 and the 
negative battery 
terminal.

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

5

4

3

2

1

AC003805AB

UNLOCK

LOCK

A

VIEW A 

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STEP 20. Check ETACS-ECU connectors D-10 <Vehicles 
without keyless entry system> and D-27 <Vehicles with 
keyless entry system> for loose, corroded or damaged 
terminals, or terminals pushed back in the connector.
Q: Are ETACS-ECU connectors D-10 <Vehicles without 

keyless entry system> and D-27 <Vehicles with keyless 
entry system> in good condition?
YES : Go to Step 21.
NO :  Repair or replace the damaged components. Refer to 

GROUP 00E 

P.00E-2

, Harness Connector inspection. 

Then go to Step 22.

AC202002

6 5 4

1

2

7

3
8

41

43

51

42

50

44

52

46 45

53

49

47

30

48

56

55

D-27 (B)

D-10

JUNCTION 
BLOCK (REAR)

CONNECTORS: D-10, D-27

AB

D-27 COMPONENT  SIDE

D-10 COMPONENT SIDE

21

22

23

24

25

26

27

28

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STEP 21. Check the harness wire between ETACS-ECU 
connectors D-10 (terminals No.21 and No.24) <Vehicles 
without keyless entry system> or D-27 (terminals No.41 
and No.42) <Vehicles with keyless entry system> and door 
lock actuator (liftgate) connector G-04 (terminals No.1 and 
No.2).

AC202002

6 5 4

1

2

7

3
8

41

43

51

42

50

44

52

46 45

53

49

47

30

48

56

55

D-27 (B)

D-10

JUNCTION 
BLOCK (REAR)

CONNECTORS: D-10, D-27

AB

D-27 COMPONENT  SIDE

D-10 COMPONENT SIDE

21

22

23

24

25

26

27

28

AC202036

1

4 3

2
5

CONNECTOR: G-04

AB

G-04

COMPONENT 
SIDE