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, refer to "Wiring Diagram" [1][2]Electrical Diagrams.

1. CHECK WIPER RELAY OPERATION

IPDM E/R AUTO ACTIVE TEST
1.Start IPDM E/R auto active test. Refer to "CONSULT Function (IPDM E/R)" Without I-Key.
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

Refer to "Diagnosis Procedure" 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

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 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. Refer to "WIPER DRIVE ASSEMBLY : Removal and Installation" Removal And Installation.
NO- Replace IPDM E/R. Refer to "Removal and Installation" IPDM E/R (Without I-Key).

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. Refer to "Removal and Installation" IPDM E/R (Without I-Key).
NO- GO TO 6

6. CHECK COMBINATION SWITCH (WIPER AND WASHER SWITCH)

Check combination switch (wiper and washer switch). Refer to "Symptom Table" Without Intelligent Key System.
Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace the applicable parts.