Mitsubishi Grandis. Manual — part 34

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-133

Step 15. Check the wiring harness between C-221
ETACS-ECU connector terminal No.59 and F-05
power window main switch connector terminal
No.4.

NOTE:

Prior to the wiring harness inspection, check
intermediate connectors C-27 <LH drive vehicles>,
C-14 <RH drive vehicles> and joint connector C-01,
and repair if necessary.

• Check the communication lines for open circuit.

Q: Is the check result normal?

YES :

Go to Step 16.

NO :

Repair the wiring harness.

AC310626

Connector: C-221

Junction block (Rear view)

<LHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

AC310620

Connector: C-221

Junction block
(Rear view)

<RHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

AC311150

AB

Connector: F-05

Harness side

<LHD>

10

1

6

14

5

12

13

4

11

7

2

3

8

9

F-05(B)

AC310213

Connector: F-05

Harness side

<RHD>

10

1

6

14

5

12

13

4

11

7

2

3

8

9

F-05(B)

AB

AC310614

Connector: C-01, C-27 <LHD>

C-27

AM

C-27

C-01

C-01

AC310632

Connector: C-01, C-14 <RHD>

C-14

AH

C-14

C-01

C-01

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-134

Step 16. Retest the system.

After the power window main switch is replaced,
check that all the power windows work.
(1) Replace the power window main switch.
(2) Check that the all the power windows work.

Q: Is the check result normal?

YES :

The trouble can be an intermittent

malfunction (Refer to GROUP 00

− How to

Cope with Intermittent Malfunction

P.00-5

).

NO :

Replace the ETACS-ECU.

Inspection Procedure D-2: Driver's power window does not work by means of the power window main
switch. <LH drive vehicles>

Power Window (front: LH) Circuit <LHD>

FUSIBLE
LINK

5

POWER
WINDOW
RELAY

ETACS-ECU

POWER
WINDOW
MAIN SWITCH

POWER WINDOW
MOTOR
(FRONT: LH)

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet

CPU

FRONT
(LH)

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-135

COMMENTS ON TROUBLE SYMPTOM

If the driver's power window does not work by means
of the power window main switch, the power window
main switch or the driver's door power window motor
may be defective.

POSSIBLE CAUSES

• Malfunction of the power window main switch

• Malfunction of the power window motor (front:

LH)

• Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

Step 1. Check the power window main switch.
Check that all of the front passenger's and rear door
power windows can operate by means of the power
window main switch.

Q: Is the check result normal?

YES :

Go to Step 2.

NO :

Refer to Inspection Procedure D-1 "Power
windows do not work at all

P.54B-124

."

Step 2. Connector check: F-05 power window
main switch connector and F-10 power window
motor (front: LH) connector

Q: Is the check result normal?

YES :

Go to Step 3.

NO :

Repair the connector.

Step 3. Check the wiring harness from F-10
power window motor (front: LH) connector
terminal Nos.1 and 3 to F-05 power window main
switch connector terminal Nos. 7 and 1.

• Check the input and output lines for open or short

circuit.

Q: Is the check result normal?

YES :

Go to Step 4.

NO :

Repair the wiring harness.

Step 4. Retest the system.
After the power window main switch is replaced,
check that the driver's door power window can be
operated by the power window main switch.
(1) Replace the power window main switch.
(2) Check that the driver's power window works by

means of the power window main switch.

Q: Is the check result normal?

YES :

The trouble can be an intermittent

malfunction (Refer to GROUP 00

− How to

Cope with Intermittent Malfunction

P.00-5

).

NO :

Replace the power window motor (front:
LH).

AC311151

AC311151

AB

Connectors: F-05, F-10

Harness side

<LHD>

10

1

6

14

5

12

13

4

11

7

2

3

8

9

F-05

F-10

Harness side

F-05(B)

F-10(B)

AC311151

AC311151

AB

Connectors: F-05, F-10

Harness side

<LHD>

10

1

6

14

5

12

13

4

11

7

2

3

8

9

F-05

F-10

Harness side

F-05(B)

F-10(B)

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-136

Inspection Procedure D-2: Driver's power window does not work by means of the power window main
switch. <RH drive vehicles>

COMMENTS ON TROUBLE SYMPTOM

If the driver's power window does not work by means
of the power window main switch, the power window
main switch or the driver's door power window motor
may be defective.

POSSIBLE CAUSES

• Malfunction of the power window main switch

• Malfunction of the front power window motor

(front: RH)

• Damaged harness wires and connectors

Power Window (front: RH) Circuit <RHD>

FUSIBLE
LINK

5

POWER
WINDOW
RELAY

ETACS-ECU

POWER
WINDOW
MAIN SWITCH

POWER WINDOW
MOTOR
(FRONT: RH)

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet

CPU

FRONT
(RH)