Front Wiper Does Not Operate

FRONT WIPER DOES NOT OPERATE

Description

The front wiper does not operate under any operation conditions.


Diagnosis Procedure


1. CHECK WIPER RELAY OPERATION

With CONSULT
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


Hi: Front wiper HI operation
Off: Stop the front wiper.
Is front wiper operation normally?
YES- GO TO 5.
NO- GO TO 2.

2. CHECK FRONT WIPER MOTOR FUSE

Check that the following fuses is not fusing.

Is the inspection result normal?
YES- GO TO 3.
NO- Replace the fuse after repairing the applicable circuit.

3. CHECK FRONT WIPER MOTOR GROUND CIRCUIT

Check front wiper motor ground circuit. Refer to "Diagnosis Procedure" Front Wiper Motor Ground Circuit.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK FRONT WIPER MOTOR INPUT VOLTAGE

With CONSULT
1.Turn power switch OFF.
2.Disconnect front wiper motor connector.
3.Turn power 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- Replace front wiper motor.
NO- Replace IPDM E/R.

5. CHECK FRONT WIPER REQUEST SIGNAL INPUT

With CONSULT
1.Select "FR WIP REQ" of IPDM E/R data monitor item.
2.Switch the front wiper switch to HI and LO.
3.With operating the front wiper switch, check the status of "FR WIP REQ".





Is the inspection result normal?
YES- Replace IPDM E/R.
NO- GO TO 6.

6. CHECK COMBINATION SWITCH

Perform the inspection of the combination switch. Refer to "Symptom Table" Symptom Related Diagnostic Procedures.
Is combination switch normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace the applicable parts.