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

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/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.

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

1.Turn the ignition switch OFF.
2.Check that the front wiper motor 30 A fuse (#60) is not fusing.
Is the fuse fusing?
YES- Replace the fuse after repairing the applicable circuit.
NO- GO TO 3.

3. CHECK FRONT WIPER MOTOR GROUND OPEN CIRCUIT

1.Disconnect front wiper motor connector.
2.Check continuity between front wiper motor harness connector and ground.





Does continuity exist?
YES- GO TO 4.
NO- Repair the harness or connector.

4. CHECK FRONT WIPER MOTOR OUTPUT VOLTAGE

CONSULT ACTIVE TEST
1.Turn the ignition switch ON.
2.Select "FRONT WIPER" of IPDM E/R active test item.
3.With operating the test item, check voltage between IPDM E/R harness connector and ground.





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

5. CHECK FRONT WIPER REQUEST SIGNAL INPUT

CONSULT DATA MONITOR
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 status of item normal?
YES- Replace IPDM E/R.
NO- GO TO 6.

6. CHECK COMBINATION SWITCH

Perform the inspection of the combination switch. Symptom Related Diagnostic Procedures.
Is combination switch normal?
YES- Replace BCM. Exploded View.
NO- Repair or replace the applicable parts.