Mitsubishi Outlander (2003+). Manual - part 473

 

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Mitsubishi Outlander (2003+). Manual - part 473

 

 

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-181

INSPECTION PROCEDURE F-7: The windshield washer does not work.

CAUTION

Whenever the ECU is replaced, ensure that the 
input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM
The windshield washer motor, the column switch or 
the front-ECU may be defective.

POSSIBLE CAUSES

Malfunction of the windshield washer motor

Malfunction of the column switch

Malfunction of the front-ECU

Damaged harness wires and connectors

30

25

22

21

2324

2627

29

28

31

2

1

W3Z04E04A

OFF

ON

20A

J/B

7

5

9

18

28

31

1

2

C-116

C-202

C-203

A-26

L-Y

L-B

L-B

LG

B

A-12X

FRONT-ECU

WINDSHIELD 
WASHER MOTOR

WINDSHIELD 
WASHER 
RELAY

INPUT SIGNAL

WINDSHIELD WASHER

IGNITION 
SWITCH (ACC)

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        

Windshield Washer Motor Circuit

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-182

DIAGNOSIS PROCEDURE

Step 1. Check the operation of the windshield 
wipers.

Check that the windshield wipers work normally.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Refer to Inspection Procedure F-1 "The 
windshield wipers does not work at all 

P.54B-153

."

Step 2. Pulse check

Check the input signals below which are related to 
the windshield wiper.

OK: The MUT-II/III sounds or the voltmeter 
needle fluctuates. 

Q: Is the check result normal?

All the signals are received normally : 

Go to Step 

3.

The ignition switch (ACC) signal is not received. : 

Refer to inspection procedure N-1 "The 
ignition switch (ACC) signal is not received 

P.54B-298

."

Windshield washer switch signal is not received. : 

Refer to inspection procedure N-6 "The 
column switch (windshield wiper washer 
and rear wiper washer switch) signal is not 
received 

P.54B-320

."

Step 3. Connector check: A-26 windshield 
washer motor connector

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Repair the connector.

Step 4. Check the windshield washer motor 
assembly.

Refer to GROUP 51 

 Windshield washer 

P.51-26

.

Q: Is the check result normal?

YES : 

Go to Step 5

NO : 

Replace the windshield washer motor.

System switch

Check condition

Ignition switch (ACC)

When turned from the 
LOCK (OFF) position to 
the ACC position.

Windshield washer 
switch

When the switch is 
turned from off to on.

AC308677

2

1

AF

Connector: A-26 
<LHD>

Harness side

AC308684

2

1

AH

Connector: A-26 
<RHD>

Harness side

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-183

Step 5. Measure the resistance at the A-26 
windshield washer motor connector.

(1) Disconnect the connector, and measure at the 

wiring harness side.

(2) Continuity between A-26 windshield washer 

motor connector terminal No.1 and body earth

OK: 2

 or less

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Go to Step 6.

Step 6. Check the wiring harness between A-26 
windshield washer motor connector terminal 
No.1 and body earth.

Check the earth wires for open circuit.

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.00-6

).

NO : 

Repair the wiring harness.

Step 7. Connector check: A-12X front-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Repair the connector.

AC308677

2

1

AF

Connector: A-26 
<LHD>

Harness side

AC308684

2

1

AH

Connector: A-26 
<RHD>

Harness side

2

1

AC301475

Connector A-26
(Harness side)

AB

AC308677

2

1

AF

Connector: A-26 
<LHD>

Harness side

AC308684

2

1

AH

Connector: A-26 
<RHD>

Harness side

AC301515 AE

Connector: A-12X

24

29

30

31

2827

25

26

21

2322

Relay box side

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-184

Step 8. Check the wiring harness between A-26 
windshield washer motor connector terminal 
No.2 and A-12X front-ECU connector terminal 
No.31.

Check the power supply line to the ignition switch 
(ACC) for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Repair the wiring harness.

Step 9. Retest the system.

The windshield washer should now work normally.

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.00-6

).

NO : 

Replace the front-ECU.

AC301515 AE

Connector: A-12X

24

29

30

31

2827

25

26

21

2322

Relay box side

AC308677

2

1

AF

Connector: A-26 
<LHD>

Harness side

AC308684

2

1

AH

Connector: A-26 
<RHD>

Harness side

 

 

 

 

 

 

 

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