Front Wiper Motor Hi Circuit

FRONT WIPER MOTOR HI CIRCUIT





Component Function Check
1. CHECK FRONT WIPER HI 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 HI operation.
CONSULT-III ACTIVE TEST
1. Select "FRONT WIPER" of IPDM E/R active test item.
2. While operating the test item, check that front wiper HI operation and OFF.





Does the front wiper operate?
YES - The front wiper motor HI circuit is normal.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1. CHECK FRONT WIPER MOTOR (HI) INPUT VOLTAGE
CONSULT-III 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. While 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 (HI) 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 (HI) 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.