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. 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.While operating the test item, check that front wiper LO operation and OFF.

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

Does the front wiper operate?
YES- Front wiper motor LO circuit is normal.
NO- Refer to "Diagnosis Procedure".


Diagnosis Procedure

Regarding Wiring Diagram information, Front Wiper And Washer System Coupe or Front Wiper And Washer System Sedan.

1. CHECK FRONT WIPER MOTOR (LO) INPUT VOLTAGE

CONSULT ACTIVE TEST





1.Turn the ignition switch OFF.
2.Disconnect front wiper motor.
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 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 (LO) OPEN CIRCUIT






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 (LO) 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.