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 "WIP AUTO STOP" of IPDM E/R data monitor item.
2. Operate the front wiper.
3. Check that "WIP AUTO STOP" changes to "STOP P" and "ACT P" 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 IPDM E/R OUTPUT VOLTAGE
1. Turn the ignition switch OFF.
2. Disconnect front wiper motor.
3. Turn the ignition switch ON.
4. Check voltage between front wiper motor harness connector and ground.





Is the measurement normal?
YES - Replace front wiper motor. Service and Repair.
NO - GO TO 2
2. CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector E122.
3. Check continuity between IPDM E/R harness connector and front wiper motor harness connector.





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





Is the inspection result normal?
YES - Replace IPDM E/R. Service and Repair.
NO - Repair or replace harness.