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, 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 1 and BCM connector (B) M19 terminal 55.
55 - 1: Continuity should exist.
OK or NO
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 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 (WIPER SWITCH) INPUT SIGNAL

Select "BCM" on CONSULT. With "WIPER" data monitor, make sure "RR WIPER INT", "RR WIPER ON" turn
ON-OFF according to operation of combination switch (wiper switch).
When combination switch (wiper switch) is in INT position : RR WIPER INT ON
When combination switch (wiper switch) is in ON position : RR WIPER ON ON
OK or NG
OK- Replace BCM. Service and Repair .
NG- Check the combination switch (wiper switch). System Description .