Only Front Wiper Hi Does Not Operate

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

IPDM E/R TO FRONT WIPERS (1) INSPECTION
1. Select "FR WIPER HI" during active test. Refer to "ACTIVE TEST ".
2. Verify that front wipers operate in HI operation mode.
OK or NG
1. OK: GO TO 4.
2. NG: GO TO 2.
IPDM E/R TO FRONT WIPERS (2) INSPECTION
1. Disconnect IPDM E/R connector and front wiper motor connector.
2. Check continuity between IPDM E/R vehicle side connector terminals and front wiper motor harness connector terminals.
  
  Fig 1: Terminal And Continuity Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Continuity Between IPDM E/R Vehicle Side And Front Wiper Motor Harness Connector Terminals
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Connect connector. GO TO 3.
2. NG: Check for short circuit or open circuit in harness between IPDM E/R and front wiper motor.
IPDM E/R INSPECTION
Select "FR WIPER HI" during active test. Refer to "ACTIVE TEST ". When front wiper relay (HI) is operating, check voltage between IPDM E/R terminal 30 and terminal 14.

Fig 3: Terminal And Voltage Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Checking Voltage Between IPDM E/R Terminal 30 And Terminal 14
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Replace wiper motor, refer to "REMOVAL AND INSTALLATION FOR WIPER MOTOR AND LINKAGE ".
2. NG: Replace IPDM E/R, refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
COMBINATION SWITCH TO BCM INSPECTION
Select BCM on Consult-II. With "WIPER" data monitor, check that "FR WIPER HI" turns ON-OFF according to operation of wiper switch.

OK or NG
1. OK: Replace BCM.
2. NG: Replace wiper switch, refer to "REMOVAL AND INSTALLATION FOR WIPER AND WASHER SWITCH ".
Fig 5: Displaying Data Monitor (Only Front Wiper Hi)
Courtesy of NISSAN MOTOR CO., U.S.A.