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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. Wiper.
2.Check that the front wiper operates at the HI 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.
Hi: Front wiper (HI) operation


Off: Stop the front wiper.
Is the inspection result normal?
YES- Front wiper motor HI circuit is normal.
NO- .


Diagnosis Procedure


1. CHECK FRONT WIPER MOTOR (HI) INPUT VOLTAGE

CONSULT ACTIVE TEST
1.Turn ignition switch OFF.
2.Disconnect front wiper motor connector.
3.Turn 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 inspection result normal?
YES- GO TO 2.
NO- GO TO 5.

2. CHECK FRONT WIPER MOTOR (HI) CIRCUIT-1 (SHORT TO BATTERY)

1.Turn ignition switch OFF.
2.Disconnect IPDM E/R connector.
3.Check voltage between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK FRONT WIPER MOTOR (HI) CIRCUIT-2 (OPEN & SHORT TO GROUND)

1.Check continuity between IPDM E/R harness connector and front wiper motor harness connector.





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





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK FRONT WIPER MOTOR (HI) GROUND CIRCUIT

CONSULT ACTIVE TEST
1.Turn ignition switch OFF.
2.Connect IPDM E/R connector.
3.Turn ignition switch ON.
4.Select "FRONT WIPER" of IPDM E/R active test item.
5.With operating the test item, check continuity between front wiper motor harness connector and ground.





Is the inspection result normal?
YES- Replace front wiper motor.
NO- Replace IPDM E/R.

5. CHECK FRONT WIPER MOTOR (HI) POWER SUPPLY

1.Turn ignition switch OFF.
2.Remove wiper reverse relay.
3.Check voltage between wiper reverse relay harness connector and ground.





Is the inspection result normal?
YES- Check wiper reverse relay circuit. Wiper Reverse Relay Circuit.
NO- GO TO 6.

6. CHECK FRONT WIPER MOTOR (HI) POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect IPDM E/R connector.
3.Check continuity between IPDM E/R harness connector and wiper reverse relay harness connector.





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





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