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

Ω

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