Rear Wiper Does Not Operate

REAR WIPER AND WASHER SYSTEM


Rear Wiper Does Not Operate

1.REAR WIPER ACTIVE TEST
1. Select "BCM" on CONSULT-III, and select "WIPER" on "SELECT TEST ITEM" screen.
2. Select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
3. Select "RR WIPER" on "SELECT TEST ITEM" screen.
4. Make sure rear wiper operates.

Wiper should operate.

OK or NG
OK - GO TO 6.
NG - GO TO 2.
2.CHECK REAR WIPER MOTOR CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect BCM and rear wiper motor.
3. Check continuity between rear wiper motor connector (A) D404 terminal 1and BCM connector (B) M19 terminal 55.

55 - 1 : Continuity should exist.

OK or NG
OK - GO TO 3.
NO - Repair or replace harness.
3.CHECK REAR WIPER MOTOR SHORT CIRCUIT





Check continuity between rear wiper motor harness D404 terminal 1 and ground.

1 - Ground : Continuity should not exist.

OK or NG
OK - GO TO 4.
NG - Repair or replace harness.
4.CHECK GROUND CIRCUIT





Check continuity between rear wiper motor connector D404 terminal
3 and ground.

3 - Ground : Continuity should exist.

OK or NG
OK - GO TO 5.
NG - Repair or replace harness.
5. CHECK REAR WIPER OPERATING





1. Connect BCM and rear wiper motor.
2. Select "RR WIPER" during "ACTIVE TEST". CONSULT-III Function (IPDM E/R) . When rear wiper is operating, check voltage between BCM harness connector and ground.







OK or NG
OK - Replace rear wiper motor. Rear Wiper Arm .
NG - Replace BCM. Service and Repair .
6.CHECK COMBINATION SWITCH INPUT SIGNAL
Select "BCM" on CONSULT-III. With "WIPER" data monitor, make sure "RR WIPER INT", "RR WIPER ON" turn ON-OFF according to operation of wiper switch.






OK or NG
OK - Replace BCM. Service and Repair .
NG - Check the wiper switch. System Description .