Inspection Procedure

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK IPDM E/R TO FRONT WIPERS (1)
With CONSULT-II
1. Select "IPDM E/R" with CONSULT-II, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
  
  Fig 1: Display Active Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
Without CONSULT-II
1. Turn on front wipers using active test. Refer to AUTO ACTIVE TEST .
2. Confirm front wiper operation.
OK or NG

OK: GO TO 4.

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 harness connector terminals and front wiper motor harness connector terminals.
  
  Fig 2: Terminal Continuity Specification
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Identifying IPDM E/R To Front Wipers Inspection
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between IPDM E/R harness connector terminal and body ground.
  
  Fig 4: Terminal Continuity Specification
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: Checking Continuity Between IPDM E/R Harness Connector Terminal And Body Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between front wiper motor harness connector terminal E and body ground.
Fig 6: Terminal Continuity Specification
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 7: Checking Continuity Between Front Wiper Motor Harness Connector Terminal And Body Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Connect connector. GO TO 3.

NG: Check for open circuit in harness between front wiper motor and body ground.
IPDM E/R 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 HI" on "SELECT TEST ITEM" screen.
Without CONSULT-II
1. Turn on front wipers using active test. Refer to AUTO ACTIVE TEST .
Fig 8: Display Active Test
Courtesy of NISSAN MOTOR CO., U.S.A.

When front wiper relay, and front wiper HI relay are operating, check voltage between IPDM E/R terminals and body ground.

Fig 9: Terminal Voltage Specification
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 10: Checking Voltage Between IPDM E/R Terminals & Body Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace wiper motor, refer to Removal and Installation for Wiper Motor and Linkage .

NG: Replace IPDM E/R, refer to REMOVAL AND INSTALLATION OF IPDM E/R .
COMBINATION SWITCH TO BCM (1) INSPECTION
Select BCM on Consult-II. Carry out self-diagnosis of "BCM".

Displayed self-diagnosis results

No malfunction detected: GO TO 5.

CAN communications or CAN system: Inspect the BCM CAN communication system. Go to CAN COMMUNICATION INSPECTION USING CONSULT-II .

OPEN DETECT 1 - 5: Combination switch system malfunction. Go to COMBINATION SWITCH READING FUNCTION .

Fig 11: Display Select System
Courtesy of NISSAN MOTOR CO., U.S.A.
COMBINATION SWITCH TO BCM (2) INSPECTION
Select BCM on Consult-II. With "WIPER" data monitor, check that "FR WIPER INT", "FR WIPER LOW" and "FR WIPER HI" turn ON-OFF according to operation of wiper switch.

OK or NG

OK: Replace BCM.

NG: Replace wiper switch, refer to "REMOVAL AND INSTALLATION FOR WIPER AND WASHER SWITCH ".

Fig 12: Display Data Monitor (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.