Front Wiper Motor Lo Circuit

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. Refer to "Diagnosis Description" Diagnosis Description.
2.Check that the front wiper operates at the LO operation.
CONSULT 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- Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE

CONSULT 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.