Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 485

54B-18
Inspection Procedure E-3
The windshield wipers do not respond to any switch
position.
Either the windshield wiper motor, the column switch, or the front-ECU may be
defective.
Check the MUT-II input signals.
D Windshield mist wiper switch
D Windshield wiper intermittent switch
D Windshield wiper LO speed switch
D Windshield wiper HI speed switch
D Windshield washer switch
Check the windshield wiper motor (Refer to GROUP 51 -
Windshield Wipers and Washer).
Check the following connectors:
<L.H. drive vehicles> A-11X, A-13, B-01
<R.H. drive vehicles> A-11X, C-136, B-01
Check the trouble symptoms.
Inspection Procedure E-4
The windshield wipers do not stop in the normal
predetermined position.
Either the windshield wiper motor or the front-ECU may be defective.
Check the windshield wiper motor (Refer to GROUP 51 -
Windshield Wipers and Washer).
Measure at the windshield wiper motor connector B-01.
D Disconnect the connector and test on the harness side.
D Ignition switch ACC
D Continuity between terminal 4 and body earth.
OK : System voltage
Check the following connectors:
<L.H. drive vehicles> A-11X, C-34, B-01
<R.H. drive vehicles> A-11X, C-136, B-01
OK
Check the trouble
symptoms.
NG
Check the harness between the front-ECU and the windshield
wiper motor.
Replace front-ECU.
SWS -
OK
OK
OK
OK
OK
NG
Repair
OK
Troubleshooting
Probable cause
D Windshield wiper motor fault
D Column switch fault
D front-ECU fault
D Harness or connector fault
NG
Check the defective input circuit. (Refer to P.54B-8, Defects
Found by Input Signal Check).
NG
Replace
NG
Repair
NG
Check the harness between the front-ECU and the windshield
wiper motor.
Replace front-ECU.
Probable cause
D Windshield wiper motor fault
D front-ECU fault
D Harness or connector fault
NG
Replace
NG
Check the following connectors: B-01, C-129, C-209, C-210
OK
Check the trouble
symptoms.
NG
Check the harness between the windshield wiper motor and
ignition switch (ACC), and repair if necessary.
NG
Repair
OK
NG
Repair
Repair
NG