Mitsubishi L200. Manual - part 555

 

  Index      Mitsubishi     Mitsubishi L200 - service repair manual 2012 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  553  554  555  556   ..

 

 

Mitsubishi L200. Manual - part 555

 

 

WINDSHIELD WIPER AND WASHER

EXTERIOR

51-36

Inspection Procedure 1: The windshield wipers do not work at all.

CAUTION

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

AC903741

Windshield Wiper Power Supply Circuit

IGNITION
SWITCH (ACC)

WIPER SPEED
SWITCHING
RELAY

WINDSHIELD
WIPER
MOTOR

CIRCUIT
BREAKER

ETACS-ECU

J/B SIDE

AB

COLUMN
SWITCH

COLUMN-ECU

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

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

PROBABLE CAUSES

• Malfunction of the windshield wiper motor

• Malfunction of the column switch

• Malfunction of the ETACS-ECU

• Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III diagnosis code.
When the ignition switch is turned to the "LOCK" 
(OFF) position, check that the ETACS-ECU does not 
set the diagnosis code.

Q: Is the diagnosis code set?

YES : 

Refer to GROUP 54A, ETACS Diagnosis 

Code Chart .

NO : 

Go to Step 2.

WINDSHIELD WIPER AND WASHER

EXTERIOR

51-37

STEP 2. Check the power supply circuit.
When the ignition switch is turned to the LOCK 
(OFF) position, check if the hazard warning lamps 
illuminate.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Refer to GROUP 54A,ETACS Inspection 
Procedure A-1 "Check The Battery Power 
Supply Circuit to The ETACS-ECU ."

STEP 3. M.U.T.-III data list
Check the input signals below which are related to 
the windshield wiper.

Item 
No.

Item name

Normal condition

29

Ignition switch(ACC) ON

Turn the ignition switch to the "ACC" position.

OK: Normal condition is displayed.

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Refer to GROUP 54A, ETACS Inspection 
Procedure C-2 "The Ignition Switch (ACC) 
signal is not received ."

STEP 4. Connector check: A-05 windshield wiper 
motor connector

AC903897

AJ

Connector: A-05 <LHD>

Harness side

A-05 (GR)

AC903889

AC

Connector: A-05 <RHD>

Harness side

A-05 (GR)

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair the connector.

STEP 5. Check the windshield wiper motor 
assembly.
Refer to 

P.51-71

.

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Replace the windshield wiper motor 
assembly.

STEP 6. Resistance measurement at the A-05 
windshield wiper motor connector.

AC903897

AJ

Connector: A-05 <LHD>

Harness side

A-05 (GR)

AC903889

AC

Connector: A-05 <RHD>

Harness side

A-05 (GR)

(1) Disconnect the connector, and measure at the 

wiring harness side.

AC310506

Connector A-05

FX

(Harness side)

(2) Continuity between A-05 windshield wiper motor 

connector terminal No.2 and body earth

OK: Continuity exists (2 

 or less)

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Go to Step 7.

WINDSHIELD WIPER AND WASHER

EXTERIOR

51-38

STEP 7. Check the wiring harness between A-05 
windshield wiper motor connector terminal No.2 
and body earth.

AC903897

AJ

Connector: A-05 <LHD>

Harness side

A-05 (GR)

AC903889

AC

Connector: A-05 <RHD>

Harness side

A-05 (GR)

• 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 
use Troubleshooting/inspection Service 
Points 

− How to Cope with Intermittent 

Malfunction ).

NO : 

Repair the wiring harness and go to Step 8.

STEP 8. Connector check: C-218 ETACS-ECU 
connector

AC509934

Connector: C-218 <LHD>

AJ

Junction 

block

Junction block side

AC509943

Connector: C-218 <RHD>

AC

Junction block

 (Rear view)

Junction block side

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Repair the defective connector.

WINDSHIELD WIPER AND WASHER

EXTERIOR

51-39

STEP 9. Check the wiring harness between C-218 
ETACS-ECU connector terminal Nos. 8,7 and A-
05 windshield wiper motor connector terminal 
Nos. 3,5 <LHD> or 1,4 <RHD>.

AC509934

Connector: C-218 <LHD>

AJ

Junction 

block

Junction block side

AC509943

Connector: C-218 <RHD>

AC

Junction block

 (Rear view)

Junction block side

AC903897

AJ

Connector: A-05 <LHD>

Harness side

A-05 (GR)

AC903889

AC

Connector: A-05 <RHD>

Harness side

A-05 (GR)

NOTE: 

AC509934

Connector: C-210 <LHD>

Junction block

AN

Harness side

AC509936

Connector: C-210 <RHD>

Harness side

AJ

Junction block 

(Front view)

Prior to the wiring harness inspection, check the 
junction block connector C-210 and repair if neces-
sary.

• Check the output lines for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 10.

NO : 

Repair the wiring harness.

 

 

 

 

 

 

 

Content   ..  553  554  555  556   ..