Diagnosis Procedure

FRONT WIPER AUTO STOP SIGNAL CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, Front Wiper And Washer System.
1. CHECK FRONT WIPER MOTOR (AUTO STOP) OUTPUT VOLTAGE





1. Turn the ignition switch OFF.
2. Disconnect front wiper motor.
3. Turn the ignition switch ON.
4. Check voltage between IPDM E/R harness connector and ground.






Is the measurement normal?
YES - GO TO 2
NO - Replace IPDM E/R. Service and Repair.
2. CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY





1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R.
3. Check continuity between IPDM E/R harness connector (A) and front wiper motor harness connector (B).





Does continuity exist?
YES - GO TO 3
NO - Repair or replace harness.
3. CHECK FRONT WIPER MOTOR (AUTO STOP) SHORT CIRCUIT





Check continuity between IPDM E/R harness connector and ground.





Does continuity exist?
YES - Repair or replace harness.
NO - Replace front wiper motor. Service and Repair.