Mitsubishi Galant 9G. Manual - part 40

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-156

STEP 15. Check rear door lock actuator (RH) connector
E-08 for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Is rear door lock actuator (RH) connector E-08 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

. Verify that all the doors can be locked and

unlocked normally.

STEP 16. Check the rear door lock actuator (RH).
Remove the rear door lock actuator (RH). The illustration
shows when the door lock actuator is viewed from outside the
door. Refer to GROUP 42

− Door Handle and Latch

P.42-46

Q: Does the rear door lock actuator (RH) work normally?

YES : Go to Step 17.
NO : Replace the rear door lock actuator (RH). Verify that

all the doors can be locked and unlocked normally.

AC305333

E-08 (B)

HARNESS SIDE

CONNECTOR: E-08

LEVER
POSITION

BATTERY
CONNECTION

LEVER
OPERATION

At the "LOCK"
position

• Connect terminal

4 to the negative
battery terminal

• Connect terminal

6 to the positive
battery terminal

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

At the
"UNLOCK"
position

• Connect terminal

6 to the negative
battery terminal

• Connect terminal

4 to the positive
battery terminal

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

AC210730

1 2 3
4 5 6

VIEW A

LOCK

UNLOCK

LEVER

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-157

STEP 17. Check ETACS-ECU connector C-219 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is ETACS-ECU connector C-219 in good condition?

YES : Go to Step 18.
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.

STEP 18. Check the wiring harness between ETACS-ECU
connector C-219 (terminals 12 and 13) and rear door lock
actuator (RH) connector E-08 (terminals 6 and 4).

AC305413 AG

CONNECTOR: C-219

JUNCTION BLOCK SIDE

JUNCTION BLOCK

(REAR VIEW)

AC305413 AG

CONNECTOR: C-219

JUNCTION BLOCK SIDE

JUNCTION BLOCK

(REAR VIEW)

AC305333

E-08 (B)

HARNESS SIDE

CONNECTOR: E-08

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-158

NOTE: Also check junction block connector C-204 and inter-
mediate connectors D-36 for loose, corroded, or damaged ter-
minals, or terminals pushed back in the connector. If junction
block connector C-204 or intermediate connector D-36 is 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 (terminals 12 and 13) and rear door lock actuator
(RH) connector E-08 (terminals 6 and 4) 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 the wiring harness as necessary. Verify that all
the doors can be locked and unlocked normally.

INSPECTION PROCEDURE C-3: Central Door Locking System: All the Doors do not Lock or Unlock
with just the Door Lock Switch Operation.

AC305415AJ

CONNECTOR: C-204

HARNESS SIDE

JUNCTION BLOCK

(FRONT VIEW)

AC400530

CONNECTOR: D-36

DOOR LOCK
ACTUATOR

INPUT SIGNAL

·DRIVER'S SIDE DOOR LOCK SWITCH

FUSIBLE
LINK

JUNCTION BLOCK SIDE

JUNCTION BLOCK

ETACS-ECU

·FRONT PASSENGER'S SIDE
DOOR LOCK SWITCH

Central Door Lock (Door Lock Switch) Circuit

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-159

TECHNICAL DESCRIPTION (COMMENT)

The door lock switch (incorporated in the power win-
dow main switch and front power window sub switch)
or the ETACS-ECU may be defective.

TROUBLESHOOTING HINTS

• Trouble in input signal system

• 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 Tools:

• MB991223: Harness Set

• MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: MUT-III USB Cable

• MB991910: MUT-III Main Harness A

Check the input signal (by using the pulse check mode of
the monitor).
Check the input signals from the door lock switch (incorporated
in the power window main switch and front power window sub
switch):

CAUTION

To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect the special tool. Refer to "How to connect SWS

monitor

P.54B-13

(2) When the driver's or the front passenger's door lock switch

is moved from "LOCK" to "UNLOCK" and vice versa, check
if scan tool MB991958 sounds or not.

(3) Operate scan tool MB991958 according to the procedure

below to display "Pulse check."
a. Select "Interactive Diagnosis."
b. Select "System Select."
c. Select "SWS."
d. Select "Pulse Checking."

Q: Does scan tool MB991958 sound when the driver's or

the front passenger's door lock switch is moved from
"LOCK" to "UNLOCK" and vice versa?
YES : Replace the ETACS-ECU. Check that all the doors

should be locked and unlocked by the door lock
switch.

NO : Refer to Inspection Procedure N-6 "ETACS-ECU

does not receive any signal from the door lock switch
(incorporated in the power window main switch and
front power window sub switch)

P.54B-527

AC305412

MB991910

DATA LINK

CONNECTOR

MB991824

MB991827

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