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, Front Wiper And Washer System.

1. CHECK WIPER RELAY OPERATION

CONSULT ACTIVE TEST
1.Select "FRONT WIPER" of IPDM E/R active test item.
2.While operating the test item, check front wiper operation.
LO: Front wiper LO operation
HI: Front wiper HI operation
OFF: Stop the front wiper.
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.
Is front wiper operation normal?
YES- GO TO 5
NO- GO TO 2

2. CHECK FRONT WIPER MOTOR FUSE

1.Turn the ignition switch OFF.
2.Check that the following fuse is not blown.





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

3. CHECK FRONT WIPER MOTOR GROUND OPEN CIRCUIT

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





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

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. Service and Repair.
NO- Replace IPDM E/R. Service and Repair.

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. Service and Repair.
NO- GO TO 6

6. CHECK COMBINATION SWITCH (WIPER AND WASHER SWITCH)

1.Perform the inspection of the combination switch (wiper and washer switch). Symptom Related Diagnostic Procedures.
Is combination switch (wiper and washer switch) normal?
YES- Replace BCM. Service and Repair.
NO- Repair or replace the affected parts.