Only Front Wiper High Does Not Operate

FRONT WIPER AND WASHER SYSTEM


Only Front Wiper High Does Not Operate

1.CHECK IPDM E/R TO FRONT WIPER MOTOR
With CONSULT-III
1. Select "IPDM E/R" with CONSULT-III, and select "ACTIVE TEST".
2. Select "FRONT WIPER".
3. Select "HI" on "ACTIVE TEST" screen.
Without CONSULT-III
1. Turn on front wipers using auto active test. Auto Active Test
2. Confirm front wiper operation.
OK or NG
OK - GO TO 4.
NG - GO TO 2.
2.IPDM E/R TO FRONT WIPER CIRCUIT INSPECTION
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front wiper motor connector.





3. Check continuity between IPDM E/R harness connector E122 terminal 31 and front wiper motor harness connector E23 terminal H.





OK or NG
OK - Connect connectors. GO TO 3.
NG - Check for short circuit or open circuit in harness between IPDM E/R and front wiper motor.
3.IPDM E/R INSPECTION
With CONSULT-III
1. Select "IPDM E/R" with CONSULT-III, and select "ACTIVE TEST".
2. Select "FRONT WIPER".
3. Select "HI" on "ACTIVE TEST" screen.
Without CONSULT-III
1. Turn on front wipers using auto active test. Auto Active Test





When front wiper high relay is operating, check voltage between
IPDM E/R terminal 31 and terminals 38, 60.





OK or NG
OK - Replace wiper motor. Service and Repair.
NG - Replace IPDM E/R. Service and Repair.
4.COMBINATION SWITCH TO BCM INSPECTION
Select "BCM" on CONSULT-III. With "WIPER" data monitor, check that "FR WIPER HI" turns ON-OFF according to operation of wiper switch.
OK or NG
OK - Replace BCM. Service and Repair.
NG - Replace wiper switch. Service and Repair.