Inspection Procedure

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

IPDM E/R TO FRONT WIPERS (1) INSPECTION
With CONSULT-II
1. Select "IPDM E/R" with CONSULT-II, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
2. Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
3. Select "HI" on "ACTIVE TEST" screen.
4. Confirm front wiper high operation.
Without CONSULT-II
1. Turn on front wipers using auto active test. Refer to "AUTO ACTIVE TEST ".
2. Confirm front wiper operation.
OK or NG
- OK: GO TO 4
- NG: GO TO 2.
Fig 1: Identifying "FRONT WIPER"
Courtesy of NISSAN MOTOR CO., U.S.A.
IPDM E/R TO FRONT WIPERS (2) INSPECTION
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front wiper motor connector.
3. Check continuity between IPDM E/R harness connector terminal and front wiper motor harness connector terminal.
  
  Fig 2: IPDM E/R Harness Connector Terminal And Front Wiper Motor Harness Connector Terminal Continuity Specification Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Continuity Between IPDM E/R Harness Connector Terminal And Front Wiper Motor Harness Connector Terminal
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 3.
- NG: Check for short circuit or open circuit in harness between IPDM E/R and front wiper motor.
IPDM E/R INSPECTION
With CONSULT-II
1. Connect IPDM E/R connector and front wiper motor connector.
2. Select "HI" on "ACTIVE TEST" screen.
3. When front wiper high relay is operating, check voltage between IPDM E/R terminals.
Without CONSULT-II
1. Connect IPDM E/R connector and front wiper motor connector.
2. Turn on front wipers using the auto active test. Refer to "AUTO ACTIVE TEST ".
3. When front wiper high relay is operating, check voltage between IPDM E/R terminals.
  
  Fig 4: IPDM E/R Terminal Voltage Specification Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: Checking Voltage Between IPDM E/R Terminals
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Replace the wiper motor. Refer to "REMOVAL AND INSTALLATION OF WIPER MOTOR AND LINKAGE "
- 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
- OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
- NG: Replace wiper switch. Refer to "REMOVAL AND INSTALLATION OF WIPER AND WASHER SWITCH ".
Fig 6: Identifying "FR WIPER HI" On Data Monitor Screen
Courtesy of NISSAN MOTOR CO., U.S.A.