Rear Wiper Does Not Operate

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

REAR WIPER ACTIVE TEST
1. Turn on rear wiper using "ACTIVE TEST". Refer to ACTIVE TEST .
2. Make sure rear wiper operates.
  Wiper should operate.
OK or NG
- OK: GO TO 6.
- NG: GO TO 2.
CHECK REAR WIPER MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and rear wiper motor connector.
3. Check continuity between BCM harness connector M20 terminal 70 (SB) and rear wiper motor harness connector D507 terminal B (SB).
  
  Fig 1: Checking Continuity Between BCM Harness Connector M20 Terminal 70 & Rear Wiper Motor Harness Connector D507 Terminal B
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  70 (SB) - B (SB): Continuity should exist.
OK or NO
- OK: GO TO 3.
- NO: Repair harness or connector.
CHECK REAR WIPER MOTOR SHORT CIRCUIT
Check continuity between rear wiper motor harness connector D507 terminal B (SB) and ground.

Fig 2: Checking Continuity Between Rear Wiper Motor Harness Connector D507 Terminal B & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

B (SB) - Ground: Continuity should not exist.

OK or NG
- OK: GO TO 4.
- NG: After repairing harness, be sure to disconnect battery negative cable, and then reconnect it.
CHECK GROUND CIRCUIT
Check continuity between rear wiper motor harness connector D507 terminal E (B) and ground.

Fig 3: Checking Continuity Between Rear Wiper Motor Harness Connector D507 Terminal E & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

E (B) - Ground: Continuity should exist.

OK or NG
- OK: GO TO 5.
- NG: Repair harness or connector.
CHECK REAR WIPER OPERATING
1. Connect "BCM" connector and rear wiper motor connector.
2. Select "RR WIPER" during "ACTIVE TEST". Refer to ACTIVE TEST . When rear wiper is operating, check voltage between BCM harness connector terminal 70 and ground.
  
  Fig 4: Checking Voltage Between BCM Harness Connector Terminal 70 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: Terminals & Voltage Condition Chart - BCM Harness Connector Terminal 70 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Replace rear wiper motor. Refer to REMOVAL AND INSTALLATION OF REAR WIPER MOTOR .
- NG: Replace BCM. Refer to REMOVAL AND INSTALLATION OF BCM .
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.

Fig 6: CONSULT-II Display - DATA MONITOR
Courtesy of NISSAN MOTOR CO., U.S.A.

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

When wiper switch is in ON position: RR WIPER ON

OK or NG
- OK: Replace BCM. Refer to REMOVAL AND INSTALLATION OF BCM .
- NG: Check the wiper switch. Refer to COMBINATION SWITCH READING FUNCTION .