Mitsubishi Galant 9G. Manual — part 47

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-184

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

• MB991813: SWS Monitor Kit

• MB991806: SWS Monitor Cartridge

• MB991812: SWS Monitor Harness (For Column-ECU)

• MB991822: Probe Harness

STEP 1. Use scan tool MB991958 to select "ECU COMM
Check" on the SWS monitor display.
Check the ETACS-ECU.

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. Connect
special tool MB991910 before connecting special tool
MB991812. Be sure to connect special tool MB991806 after
turning on special tool MB991824.
(1) Connect the special tool. Refer to "How to connect SWS

monitor

P.54B-13

."

(2) Turn the ignition switch to the "ON" position.
(3) Operate the scan tool MB991958 according to the

procedure below to display "ECU COMM Check."
a. Select "Interactive Diagnosis."
b. Select "System Select."
c. Select "SWS."
d. Select "SWS MONITOR."
e. Select "ECU COMM Check."

(4) Scan tool MB991958 should show "OK" on the "ECU

COMM Check" menu for the "ETACS ECU" menu.

Q: Is "OK" displayed for the "ETACS ECU" menu?

YES : Go to Step 2.
NO : Refer to Inspection Procedure A-3 "Communication

with the ETACS-ECU is not possible

P.54B-78

."

AC305411AB

MB991910

DATA LINK

CONNECTOR

MB991827

MB991824

MB991806

MB991812

AC302210

COLUMN SWITCH
CONNECTOR

COLUMN SWITCH
CONNECTOR AT
HARNESS SIDE

MB991812

AB

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-185

STEP 2. Check the input signal by using "DATA LIST"
menu of the SWS monitor.
Turn the ignition switch to the "ON" position before checking
input signals from the ignition switch (IG1).
(1) Operate scan tool MB991958 according to the procedure

below to display "ETACS ECU."
a. Select "Interactive Diagnosis."
b. Select "System select."
c. Select "SWS."
d. Select "SWS MONITOR."
e. Select "Data List."
f. Select "ETACS ECU."

(2) Check that normal conditions are displayed for the items

described in the table below.

Q: Does the scan tool MB991958 display the items "IG SW

(IG1)", "FRONT DOOR SW" as normal condition?
Normal condition displayed for all the items :
Replace

the ETACS-ECU. Verify that the power window timer
works normally.

Normal condition is not displayed for "IG SW (IG1)" :

Refer to Inspection Procedure M-2 "ETACS-ECU
does not receive any signal from the ignition switch
(IG1)

P.54B-470

."

Normal condition is not displayed for "FRONT DOOR
SW" :
Refer to Inspection Procedure M-4 "ETACS-ECU

does not receive any signal from the front door
switches

P.54B-477

."

ITEM NO.

ITEM NAME

NORMAL CONDITION

ITEM 30

IG SW (IG1)

OFF

ITEM 32

FRONT DOOR SW

AC305411AB

MB991910

DATA LINK

CONNECTOR

MB991827

MB991824

MB991806

MB991812

AC302210

COLUMN SWITCH
CONNECTOR

COLUMN SWITCH
CONNECTOR AT
HARNESS SIDE

MB991812

AB

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-186

INSPECTION PROCEDURE D-3: Power Window: Only the front door window (LH) does not work by
operating power window main switch.

.

CIRCUIT OPERATION

The front power window regulator motor (LH) lower
or raises the door window (LH) when the power win-
dow main switch is moved to "UP" or "DOWN" posi-
tion.

.

TECHNICAL DESCRIPTION (COMMENT)

The power window main switch or the front power
window regulator motor (LH) may be defective.

.

TROUBLESHOOTING HINTS

• The power window main switch may be defective

• The front power window regulator motor (LH)

may be defective

• The wiring harness or connectors may have

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

.

POWER
WINDOW RELAY

POWER WINDOW
MAIN SWITCH

FRONT DOOR WINDOW
REGULATOR MOTOR

(LH)

Power Window (front: LH) Circuit

AC305262

CONNECTORS:E-12,E-13

E-12

E-13(GR)

AD

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-187

DIAGNOSIS

Required Special Tool:

• MB991223: Harness Set

STEP 1. Check power window main switch connector E-12
and front power window regulator motor (LH) connector
E-13 for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Are power window main switch connector E-12 and

front power window regulator motor (LH) connector
E-13 in good condition?
YES :
Go to Step 2.
NO : Repair or replace the damaged component(s). Refer

to GROUP 00E, Harness Connector Inspection

P.00E-2

. When the power window main switch is

operated, the front power window (LH) should lower
or raise normally.

STEP 2. Check the power window main switch.
(1) Remove the power window main switch. Refer to GROUP

42, Door, Door Glass and Regulator

P.42-39

.

(2) Check continuity while power window main switch is moved

to "UP" and "DOWN" position.

Q: Is the power window main switch normal?

YES : Go to Step 3.
NO : Replace the power window main switch. When the

power window main switch is operated, the front
power window (LH) should lower or raise normally.

AC305331

AB

CONNECTORS:E-12,E-13

3
9

4

12

14

6

13

5

1110

8

2

7

1

HARNESS SIDE

E-12

E-13

E-12

E-13(GR)

HARNESS SIDE

FRONT (LH)
SWITCH
POSITION

TESTER
CONNECTION

SPECIFIED
CONDITION

UP

8

− 13, 9 − 12

Less than 2 ohms

OFF

8

− 9, 8 − 12, 9 − 12

DOWN

8

− 12, 9 − 13

AC210745

12

7

1

8

2

10

9

3

11

13

5

4

14

6

Была ли эта страница вам полезна?
Да!Нет
4 посетителя считают эту страницу полезной.
Большое спасибо!
Ваше мнение очень важно для нас.

Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.

Текст

Политика конфиденциальности