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-III
1. Select "IPDM E/R" on CONSULT-III, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
2. Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
3. Touch "LO" or "HI" screen.
Without CONSULT-III
Start up 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-III
1. Select "BCM" on CONSULT-III, and select "WIPER" on "SELECT TEST ITEM" screen.
2. Select "DATA MONITOR" on "SELECT DIAG MODE" screen. Make sure that "FR WIPER INT", "FR
WIPER LOW", and "FR WIPER HI" turn ON-OFF according to wiper switch operation.
Without CONSULT-III
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-III, 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. CAN Communication Inspection Using CONSULT-III (Self-Diagnosis) .
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

With CONSULT-III
1. Connect IPDM E/R.
2. Turn ignition switch ON.
3. Select "IPDM E/R" by CONSULT-III, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
4. Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
5. Touch "LO" or "HI" screen.





6. Check voltage between IPDM E/R connector and ground while front wiper (HI, LO) is operating.






Without CONSULT-III
1. Connect IPDM E/R.
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.