Front Wiper Motor Lo Circuit

Lo : Front wiper (LO) operation
Off : Stop the front wiper.
FRONT WIPER MOTOR LO CIRCUIT





Component Function Check
1.CHECK FRONT WIPER LO OPERATION
IPDM E/R AUTO ACTIVE TEST
1. Start IPDM E/R auto active test. Diagnosis Description.
2. Check that the front wiper operates at the LO operation.
CONSULT-III ACTIVE TEST
1. Select "FRONT WIPER" of IPDM E/R active test item.
2. With operating the test item, check front wiper operation.

Lo : Front wiper (LO) operation
Off : Stop the front wiper.

Is front wiper (LO) operation normally?
YES - Front wiper motor LO circuit is normal.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Turn the ignition switch OFF.
2. Disconnect front wiper motor connector.
3. Turn the ignition switch ON.
4. Select "FRONT WIPER" of IPDM E/R active test item.
5. With operating the test item, check voltage between front wiper motor harness connector and ground.





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





Does continuity exist?
YES - GO TO 3.
NO - Repair the harness or connector.
3.CHECK FRONT WIPER MOTOR (LO) SHORT CIRCUIT
Check continuity between IPDM E/R harness connector and ground.





Does continuity exist?
YES - Repair the harness or connector.
NO - Replace IPDM E/R.