Mitsubishi Montero Sport (2004+). Manual — part 449

DOOR

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BODY

42-51

STEP 8. Check the harness wires between ETACS-ECU
connector D-10 (terminals No.21, No.23 and No.24)
<Vehicles without keyless entry system> or D-27
(terminals No.41, No.43 and No.45) <Vehicles with keyless
entry system> and door lock actuator (front: LH) connector
F-12 (terminals No.2, No.4 and No.6).

NOTE: After inspecting intermediate connector C-39 inspect
the wire. If intermediate connector C-39 is damaged, repair or
replace it. Refer to GROUP 00E

P.00E-2

, Harness Connector

Inspection. Then go to Step 15.
Q: Are there any damaged harness wires between

ETACS-ECU connector D-10 (terminals No.21, No.23 and
No.24) <Vehicles without keyless entry system> or D-27
(terminals No.41, No.43 and No.45) <Vehicles with
keyless entry system> and door lock actuator (front:
LH) connector F-12 (terminals No.2, No.4 and No.6)?
YES : Repair or replace the harness wire, then go to Step

15.

NO : Go to Step 9.

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

AC309370

CONNECTOR: F-12

F-12

FRONT DOOR <LH>

AC

1

3 2

4

6 5

COMPONENT SIDE

AC309309AJ

CONNECTOR: C-39

C-39

DOOR

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BODY

42-52

STEP 9. Check the harness wire between door lock
actuator (front: LH) connector F-12 (terminal No.1) and
ground.

NOTE: After inspecting intermediate connector C-39 inspect
the wire. If intermediate connector C-39 is damaged, repair or
replace it. Refer to GROUP 00E

P.00E-2

, Harness Connector

Inspection. Then go to Step 15.
Q: Is the harness wire between door lock actuator (front:

LH) connector F-12 (terminal No.1) and ground?
YES : Repair or replace the harness wire, then go to Step

15.

NO : Replace the ETACS-ECU then go to Step 15.

STEP 10. Check door lock key cylinder switch (LH)
connector F-06 for loose, corroded or damaged terminals,
or terminals pushed back in the connector.
Q: Are the connectors in good condition?

YES : Go to step 11.
NO : Repair or replace the damaged components. Refer to

GROUP 00E

P.00E-2

, Harness Connector inspection.

Then go to Step 15.

AC309370

CONNECTOR: F-12

F-12

FRONT DOOR <LH>

AC

1

3 2

4

6 5

COMPONENT SIDE

AC309309AJ

CONNECTOR: C-39

C-39

AC309370

2 1

3

CONNECTOR: F-06

F-06

COMPONENT SIDE

FRONT DOOR <LH>

AB

DOOR

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BODY

42-53

STEP 11. Check the door lock key cylinder switch (LH).
(1) Remove the door lock key cylinder switch (Refer to

P.42-140

).

(2) Follow the table to check the resistance when the door lock

key cylinder switch (LH) is operated (lock/unlock).

Q: Is the door lock key cylinder switch (LH) damaged?

YES : Replace the door lock key cylinder switch (LH), go to

Step 15.

NO : Go to Step 12.

STEP 12. Check ETACS-ECU connector D-10 <Vehicles
without keyless entry system>, D-26 <Vehicles with
keyless entry system> or D-27 <Vehicles with keyless
entry system> for loose, corroded or damaged terminals,
or terminals pushed back in the connector.
Q: Are the connectors in good condition?

YES : Go to step 13.
NO : Repair or replace the damaged components. Refer to

GROUP 00E

P.00E-2

, Harness Connector inspection.

Then go to Step 15.

SWITCH
POSITION

TESTER
CONNECTION

SPECIFIED
CONDITION

At the LOCK
position

2

− 3

Less than 2 ohms

OFF

1

− 2, 2 − 3

Open circuit

At the UNLOCK
position

1

− 2

Less than 2 ohms

AC003793AB

AC202009

22
25 24

21

26

27

3

28

21

22

28 27

24

30

25

31

32

26

29

23

41

43

51

42

50

44

52

4645

53

49

47

55

48

56

54

CONNECTORS: D-10, D-26, D-27

D-26 (B)

D-10

D-27 (B)

JUNCTION BLOCK

(REAR)

D-10 COMPONENT SIDE

D-26 COMPONENT SIDE

D-27 COMPONENT SIDE

AC

23

DOOR

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BODY

42-54

STEP 13. Check the harness wires between ETACS-ECU
connector D-10 (terminal No.26) <Vehicles without keyless
entry system>, D-26 (terminal No.28) <Vehicles with
keyless entry system> or D-27 (terminal No.52) <Vehicles
with keyless entry system> and door lock key cylinder
switch (LH) connector F-06 (terminals No.1 and No.3
<Vehicles with keyless entry system>).

AC202009

22
25 24

21

26

27

3

28

21

22

28 27

24

30

25

31

32

26

29

23

41

43

51

42

50

44

52

4645

53

49

47

55

48

56

54

CONNECTORS: D-10, D-26, D-27

D-26 (B)

D-10

D-27 (B)

JUNCTION BLOCK

(REAR)

D-10 COMPONENT SIDE

D-26 COMPONENT SIDE

D-27 COMPONENT SIDE

AC

23

AC309370

2 1

3

CONNECTOR: F-06

F-06

COMPONENT SIDE

FRONT DOOR <LH>

AB