Front Wiper Stop Position Is Incorrect

FRONT WIPER AND WASHER SYSTEM


Front Wiper Stop Position Is Incorrect

1.CHECK IPDM E/R TO FRONT WIPER MOTOR
With CONSULT-III
Select "IPDM E/R" with CONSULT-III. With "DATA MONITOR", confirm that "WIP AUTO STOP" changes from "ACT P" to "STOP P" according to wiper operation.
Without CONSULT-III
GO TO 2.
OK or NG
OK - Replace IPDM E/R. Service and Repair.
NG - GO TO 2.
2.CHECK IPDM E/R AND FRONT WIPER MOTOR STOP CIRCUITS
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 terminal and front wiper motor harness connector terminal.










4. Check continuity between front wiper motor harness connector terminal E and ground.





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.
- Check for open circuit in harness between front wiper motor and ground.
3.CHECK IPDM E/R TO FRONT WIPER MOTOR AUTO STOP CIRCUIT VOLTAGE
1. Turn ignition switch ON.
2. Select "LO" on "ACTIVE TEST" screen.





3. While front wiper motor is stopped and while operating, measure voltage between IPDM E/R terminal 32 and ground.





OK or NG
OK - Replace IPDM E/R. Service and Repair.
NG - Replace front wiper motor. Service and Repair.