Mitsubishi Evolution X. Manual — part 486

DOOR

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BODY

42A-47

DIAGNOSTIC PROCEDURE

STEP 1. Confirmation of the defective door lock actuator.
Q: Which door is not locked normally?

Driver's door : Go to Step 2.
Front passenger's door : Go to Step 6.
Rear right door : Go to Step 10.
Rear left door : Go to Step 14.

STEP 2. Check front door lock actuator (LH) connector
E-16 for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Is front door lock actuator (LH) connector E-16 in good

condition?
YES : Go to Step 3.
NO : Repair or check the connector. Refer to GROUP 00E,

Harness Connector Inspection

P.00E-2

. Verify that all

the doors can be locked and unlocked normally.

STEP 3. Check the front door lock actuator (LH).
Remove the front door lock actuator (LH). The illustration
shows when the door lock actuator is viewed from inside the
door. Refer to

P.42A-129

.

Q: Does the front door lock actuator (LH) work normally?

YES : Go to Step 4.
NO : Replace the front door lock actuator (LH). Verify that

all the doors can be locked and unlocked normally.

Lever
position

Battery
connection

Lever
operation

At the
"LOCK"
position

• Connect

terminal No.4
and the negative
battery terminal.

• Connect

terminal No.6
and the positive
battery terminal.

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

At the
"UNLOCK"
position

• Connect

terminal No.6
and the negative
battery terminal.

• Connect

terminal No.4
and the positive
battery terminal.

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

4

2
5

3
6

1

AC609752

A

AB

Lever

UNLOCK

LOCK

View A

DOOR

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BODY

42A-48

STEP 4. Check ETACS-ECU connector C-315 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is ETACS-ECU connector C-315 in good condition?

YES : Go to Step 5.
NO : Repair or check the connector. Refer to GROUP 00E,

Harness Connector Inspection

P.00E-2

. Verify that all

the doors can be locked and unlocked normally.

STEP 5. Check the wiring harness between ETACS-ECU
connector C-315 (terminals Nos. 5 and 6) and front door
lock actuator (LH) connector E-16 (terminals Nos. 6 and 4).
NOTE: Also check joint connector (3) C-103, intermediate con-
nector C-129 for loose, corroded, or damaged terminals, or ter-
minals pushed back in the connector. If joint connector (3)
C-103, intermediate connector C-129 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 ETACS-ECU connector

C-315 (terminals Nos. 5 and 6) and front door lock
actuator (LH) connector E-16 (terminals Nos. 6 and 4) in
good condition?
YES : Go to Step 18.
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 or replace the damaged component(s). Verify
that all the doors can be locked and unlocked
normally.

STEP 6. Check front door lock actuator (RH) connector
E-07 for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Is front door lock actuator (RH) connector E-07 in good

condition?
YES : Go to Step 7.
NO : Repair or replace the damaged component(s). Refer

to GROUP 00E, Harness Connector Inspection

P.00E-2

. Verify that all the doors can be locked and

unlocked normally.

DOOR

TSB Revision

BODY

42A-49

STEP 7. Check the front door lock actuator (RH).
Remove the front door lock actuator (RH). The illustration
shows when the door lock actuator is viewed from inside the
door. Refer to

P.42A-129

.

Q: Is the front door lock actuator (RH) normal?

YES : Go to Step 8.
NO : Replace the front door lock actuator (RH). Verify that

all the doors can be locked and unlocked normally.

STEP 8. Check ETACS-ECU connector C-315 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is ETACS-ECU connector C-315 in good condition?

YES : Go to Step 9.
NO : Repair or replace the damaged component(s). Refer

to GROUP 00E, Harness Connector Inspection

P.00E-2

. Verify that all the doors can be locked and

unlocked normally.

Lever
position

Battery
connection

Lever
operation

At the
"LOCK"
position

• Connect

terminal No.4
and the negative
battery terminal.

• Connect

terminal No.6
and the positive
battery terminal.

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

At the
"UNLOCK"
position

• Connect

terminal No.6
and the negative
battery terminal.

• Connect

terminal No.4
and the positive
battery terminal.

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

4

2
5

3
6

1

AC609753

A

AB

Lever

UNLOCK

LOCK

View A

DOOR

TSB Revision

BODY

42A-50

STEP 9. Check the wiring harness between ETACS-ECU
connector C-315 (terminals Nos. 5 and 6) and front door
lock actuator (RH) connector E-07 (terminals Nos. 6 and 4).
NOTE: Also check joint connector (3) C-103, intermediate con-
nector C-24 for loose, corroded, or damaged terminals, or ter-
minals pushed back in the connector. If joint connector (3)
C-103, intermediate connector C-24 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 ETACS-ECU connector

C-315 (terminals Nos. 5 and 6) and front door lock
actuator (RH) connector E-07 (terminals Nos. 6 and 4) in
good condition?
YES : Go to Step 18.
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 all
the doors can be locked and unlocked normally.

STEP 10. Check rear door lock actuator (RH) connector
E-19 for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Is rear door lock actuator (RH) connector E-19 in good

condition?
YES : Go to Step 11.
NO : Repair or check the connector. Refer to GROUP 00E,

Harness Connector Inspection

P.00E-2

. Verify that all

the doors can be locked and unlocked normally.