Front Wiper Does Not Operate

FRONT WIPER DOES NOT OPERATE

Description

The front wiper does not operate under any operation conditions.


Diagnosis Procedure

Regarding Wiring Diagram information, [1][2]Electrical Diagrams.

1. CHECK WIPER RELAY OPERATION

IPDM E/R AUTO ACTIVE TEST
1.Start IPDM E/R auto active test. CONSULT Function (IPDM E/R).
2.Check that the front wiper operates on LO and HI operation.
CONSULT ACTIVE TEST
1.Select FR WIPER of BCM (WIPER) active test item.
2.Check front wiper operation.

LO: Front wiper LO operation
HI: Front wiper HI operation
OFF: Front wiper stop

Is the inspection result normal?
YES- GO TO 5
NO- GO TO 2

2. CHECK FRONT WIPER MOTOR FUSE

Wiper And Washer Fuse.
Is the fuse blown?
YES- Replace the fuse after repairing the affected circuit.
NO- GO TO 3

3. CHECK FRONT WIPER MOTOR GROUND CIRCUIT

Front Wiper Motor Ground Circuit.
Is the inspection result normal?
YES- GO TO 4
NO- Repair or replace harness.

4. CHECK FRONT WIPER MOTOR OUTPUT VOLTAGE

1.Turn the ignition switch ON.
2.With CONSULT, select FRONT WIPER of IPDM E/R ACTIVE TEST item.
3.Check voltage between IPDM E/R harness connector and ground while wipers are operating.





Is the inspection result normal?
YES- Replace front wiper motor. Removal And Installation.
NO- Replace IPDM E/R. Service and Repair.

5. CHECK FRONT WIPER REQUEST SIGNAL INPUT

1.With CONSULT, select FR WIP REQ in DATA MONITOR of IPDM E/R.
2.Switch the front wiper switch to HI and LO.
3.Check the status of FR WIP REQ while operating the switch.





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

6. CHECK COMBINATION SWITCH (WIPER AND WASHER SWITCH)

Check combination switch (wiper and washer switch). Symptom Related Diagnostic Procedures.
Is the inspection result normal?
YES- Replace BCM. Service and Repair.
NO- Repair or replace the applicable parts.