Front Wiper Auto Stop Signal Circuit

FRONT WIPER AUTO STOP SIGNAL CIRCUIT





Component Function Check
1. CHECK FRONT WIPER (AUTO STOP) SIGNAL
CONSULT-III DATA MONITOR
1. Select "FR WIPER STOP" of IPDM E/R data monitor item.
2. Operate the front wiper.
3. Check that "FR WIPER STOP" changes to "ON" and "OFF" linked with the wiper operation.





Is the status of item normal?
YES - Front wiper auto stop signal circuit is normal.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1. CHECK FRONT WIPER MOTOR (AUTO STOP) OUTPUT VOLTAGE





1. Turn the ignition switch ON.
2. Check voltage between IPDM E/R harness connector and ground.






Is the measurement value normal?
YES - GO TO 3
NO - GO TO 2
2. CHECK FRONT WIPER MOTOR (AUTO STOP) SHORT CIRCUIT





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





Does continuity exist?
YES - Repair or replace harness.
NO - Replace IPDM E/R. Service and Repair.
3. CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY





Check continuity between IPDM E/R harness connector and front wiper motor harness connector.





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