Rear Wiper Does Not Operate

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

REAR WIPER ACTIVE TEST
1. Select "BCM" on CONSULT-II, 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.
  
  Fig 1: Identifying CONSULT-II Display - ACTIVE TEST
OK or NG

OK: GO TO 7.

NG: GO TO 2.
CHECK REAR WIPER MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and rear wiper motor.
3. Check continuity between BCM connector M19 terminal 55 and rear wiper motor connector D602 terminal 4.
  55 - 4 : Continuity should exist.
  
  Fig 2: Checking Continuity Between BCM Connector Terminal 55 And Rear Wiper Motor Connector Terminal 4
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.
CHECK GLASS HATCH AJAR SWITCH
1. Make sure hatch glass is closed.
2. Check continuity between BCM connector M19 terminal 42 and ground.
  42 - Ground : Continuity should not exist.
OK or NG

OK: GO TO 4.

NG: Repair or replace harness if shorted. If not, refer to "DIAGNOSTIC PROCEDURE 1 " for further glass hatch ajar switch diagnosis.
CHECK REAR WIPER MOTOR SHORT CIRCUIT
Check continuity between rear wiper motor connector D602 terminal 4 and ground.

4 - Ground : Continuity should not exist.

Fig 4: Checking Continuity Between Rear Wiper Motor Connector D509 Terminal 4 And Ground

OK or NG

OK: GO TO 5.

NG: Repair or replace harness.
CHECK GROUND CIRCUIT
Check continuity between rear wiper motor connector D602 terminal 1 and ground.

1 - Ground : Continuity should exist.

Fig 5: Checking Continuity Between Rear Wiper Motor Connector D509 Terminal 1 And Ground

OK or NG

OK: GO TO 6.

NG: Repair harness or connector.

CHECK REAR WIPER OPERATING

Connect BCM and rear wiper motor.

Select "RR WIPER" during "ACTIVE TEST". Refer to "ACTIVE TEST ". When rear wiper is operating, check voltage between BCM connector terminal and ground.

TERMINAL VOLTAGE CHART

BCM		(-)	Condition	Voltage (Approx.)
(+)
Connector	Terminal
M19	55	Ground	Stopped	0V
M19	55	Ground	ON operation	Battery voltage

Fig 6: Checking Voltage Between BCM Connector Terminal 55 And Ground

OK or NG

OK: Replace rear wiper motor. Refer to "REAR WIPER MOTOR ".

NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

CHECK COMBINATION SWITCH INPUT SIGNAL
Select "BCM" on CONSULT-II. With "WIPER" data monitor, make sure "RR WIPER INT", "RR WIPER ON" turn ON-OFF according to operation of wiper switch.

When wiper switch is in INT position : RR WIPER INT ON

When wiper switch is in ON position : RR WIPER ON ON

OK or NG

OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

NG: Check the wiper switch. Refer to "COMBINATION SWITCH READING FUNCTION ".

Fig 7: Identifying CONSULT-II Display - DATA MONITOR