Front Wiper Does Not Operate

FRONT WIPER AND WASHER SYSTEM


Front Wiper Does Not Operate

1.CHECK IPDM E/R TO FRONT WIPER MOTOR
With CONSULT-III
1. Select "IPDM E/R" with CONSULT-III, and select "ACTIVE TEST".
2. Select "FRONT WIPER".
Without CONSULT-III
1. Turn on front wipers using auto active test. Auto Active Test
2. Confirm front wiper operation.
OK or NG
OK - GO TO 4.
NG - GO TO 2.
2.IPDM E/R TO FRONT WIPER MOTOR CIRCUIT INSPECTION
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front wiper motor connector.





3. Check continuity between IPDM E/R harness connector terminals and front wiper motor harness connector terminals.










4. Check continuity between IPDM E/R harness connector terminal and ground.










5. Check continuity between front wiper motor harness connector terminal E and ground.





OK or NG
OK - Connect connectors. GO TO 3.
NG - Repair harness or connector.
3.IPDM E/R INSPECTION
With CONSULT-III
1. Select "IPDM E/R" with CONSULT-III, and select "ACTIVE TEST".
2. Select "FRONT WIPER".
Without CONSULT-III
1. Turn on front wipers using auto active test. Auto Active Test





When front wiper relay and front wiper high relay are operating, check voltage between IPDM E/R terminals and ground.






OK or NG
OK - Replace wiper motor. Service and Repair.
NG - Replace IPDM E/R. Service and Repair.
4.COMBINATION SWITCH TO BCM INSPECTION
Select "BCM" on CONSULT-III. Carry out self-diagnosis of BCM.
Displayed self-diagnosis results
No malfunction detected-GO TO 5.
CAN communications or CAN system- Inspect the BCM CAN communication system. Go to CAN Communication Inspection Using Consult-III (Self-Diagnosis) Testing and Inspection, "CAN
Communication Inspection Using CONSULT-III (Self-Diagnosis)".
OPEN DETECT 1 - 5- Combination switch system malfunction. Go to System Description.
5.BCM INSPECTION
Select "BCM" on CONSULT-III. With "WIPER" data monitor, check that "FR WIPER INT", "FR WIPER LOW" and "FR WIPER HI" turn ON-OFF according to operation of wiper switch.
OK or NG
OK - Replace BCM. Service and Repair.
NG - Replace wiper switch. Service and Repair.