Mitsubishi Galant 9G. Manual — part 37

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-144

NOTE: Also check intermediate connector C-26 and junction
block connector C-211 for loose, corroded, or damaged termi-
nals, or terminals pushed back in the connector. If intermediate
connector C-26 or junction block connector C-211 are dam-
aged, 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-219 (terminal 12) and front door lock actuator (LH)
connector E-15 (terminal 6) in good condition?
YES : Replace the ETACS-ECU. Verify that all the doors

can be locked and unlocked normally.

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 the central door locking system works normally.

AC305231

CONNECTOR: C-26

AK

AC305415AH

CONNECTOR: C-211

C-211

HARNESS SIDE

JUNCTION BLOCK

(FRONT VIEW)

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-145

INSPECTION PROCEDURE C-2: Central Door Locking System: Some Doors do not Lock or Unlock.

JUNCTION BLOCK

FRONT DOOR
LOCK
ACTUATOR (LH)

FRONT DOOR
LOCK
ACTUATOR (RH)

REAR DOOR
LOCK
ACTUATOR (LH)

REAR DOOR
LOCK
ACTUATOR (RH)

ETACS-ECU

JUNCTION BLOCK SIDE

Central Door Lock Circuit

SYMPTOM PROCEDURES

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SIMPLIFIED WIRING SYSTEM (SWS)

54B-146

.

CIRCUIT OPERATION

• The ETACS-ECU operates the central door lock

system according to the following signals:

• Front door lock actuator switch

• Door lock key cylinder switch

• Door lock switch, which is incorporated in the

power window main switch or front power win-
dow sub switch

• The ETACS-ECU locks or unlocks all the doors

(except liftgate and glass hatch lock) by operating
the central door lock relay (incorporated in the
ECU) in response to input signals.

.

AC305233

CONNECTOR: C-12

AE

AC305231

CONNECTOR: C-26

AL

AC305415

C-211

CONNECTORS: C-204, C-211

AI

JUNCTION BLOCK

(FRONT VIEW)

C-204

AC305413

C-219

C-217

CONNECTORS: C-217, C-219

AF

JUNCTION BLOCK

(REAR VIEW)

AC400532

AB

CONNECTOR: D-19

AC400530

CONNECTOR: D-36

AC

AC305333

AF

CONNECTORS: E-05, E-08

E-05 (B)

E-08 (B)

AC305262

AK

CONNECOTRS: E-15, E-18

E-15 (B)

E-18 (B)

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-147

TECHNICAL DESCRIPTION (COMMENT)

The wiring harness between the door lock actuator or
the ETACS-ECU and the door lock actuator may be
defective.

.

TROUBLESHOOTING HINTS

• The front door lock actuator or rear door lock

actuator may be defective

• The wiring harness or connectors may have

loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector

• The ETACS-ECU may be defective

DIAGNOSIS

Required Special Tool:

• MB991223: Harness Set

STEP 1. Check which door lock is defective.
Q: Which of the door locks is defective?

Driver's door : Go to Step 2.
Front passenger's door : Go to Step 7.
Rear door (LH) : Go to Step 11.
Rear door (RH) : Go to Step 15.

STEP 2. Check front door lock actuator (LH) connector
E-15 for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Is front door lock actuator (LH) connector E-15 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.

AC305262

E-15 (B)

HARNESS SIDE

CONNECTOR: E-15

AH