Front Wiper Does Not Operate

FRONT WIPER AND WASHER SYSTEM

Front Wiper Does Not Operate


CAUTION:
- During IPDM E/R fail-safe control, front wipers may not operate. System Description in "PG IPDM E/R" to make sure that it is not in fail-safe status.

1. ACTIVE TEST

With CONSULT
1.Select "IPDM E/R" on CONSULT, and select "ACTIVE TEST".
2.Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
3.Touch "LO" or "HI" screen.
Without CONSULT
Start auto active test. Auto Active Test.
Does front wiper operate normally?
YES- GO TO 2.
NO- GO TO 4.

2. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM

With CONSULT
1.Select "BCM" on CONSULT, and select "WIPER" on "SELECT TEST ITEM" screen.
2.Select "DATA MONITOR". Make sure that "FR WIPER INT", "FR WIPER LOW", and "FR WIPER HI" turn
ON-OFF according to wiper switch operation.
Without CONSULT
Combination Switch Inspection.
OK or NG
OK- GO TO 3.
NG- Check combination switch (wiper switch). Combination Switch Inspection.

3. CHECK CIRCUIT BETWEEN IPDM E/R AND BCM

Select "BCM" on CONSULT, and perform self-diagnosis for "BCM".
Displayed self-diagnosis results
NO DTC-Replace BCM. Service and Repair.
CAN COMM CIRCUIT-Check CAN communication line of BCM. Trouble Diagnosis Flow Chart.

4. CHECK GROUND CIRCUIT






1.Turn ignition switch OFF.
2.Disconnect front wiper motor.
3.Check continuity between front wiper motor connector and ground.





OK or NG
OK- GO TO 5.
NG- Repair or replace harness.

5. CHECK FRONT WIPER CIRCUIT






1.Disconnect IPDM E/R.
2.Check continuity between IPDM E/R connector (A) and front wiper motor connector (B).





3.Check continuity between IPDM E/R connector (A) and ground.





OK or NG
OK- GO TO 6.
NG- Repair or replace harness.

6. CHECK IPDM E/R






1.Connect IPDM E/R connector E45.
2.Connect front wiper motor connector.
3.Turn ignition switch ON.
4.Select "IPDM E/R" by CONSULT, and select "ACTIVE TEST".
5.Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
6.Touch "LO" or "HI" screen.
7.Check voltage between IPDM E/R connector and ground while front wiper (HI, LO) is operating.





1.Connect IPDM E/R connector E45.
2.Turn ignition switch ON.
3.Start auto active test. Auto Active Test.
4.Check voltage between IPDM E/R connector and ground while front wiper (HI, LO) is operating.





OK or NG
OK- Replace front wiper motor. Service and Repair.
NG- Replace IPDM E/R. Service and Repair.