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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1257 (Front Wiper And Washer) >> Front Wiper And Washer System >> Trouble Diagnosis >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.
    2. Select "FRONT WIPER" on "SELECT TEST ITEM" screen.

    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 

    1. OK: GO TO  4.
    2. NG: GO TO 2.
      Fig 1: Active Test Display
      G00849144Courtesy of NISSAN MOTOR CO., U.S.A.
  2. 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 terminals and front wiper motor harness connector terminals.
      Fig 2: Connector Terminals Continuity Chart
      G00849145Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Checking Continuity Between IPDM E/R And Front Wiper Motor Harness Connector Terminals
      G00849146Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between IPDM E/R harness connector terminals and ground.
      Fig 4: Connector Terminals Continuity Chart
      G00849147Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Checking Continuity Between IPDM E/R Harness Connector Terminals And Ground
      G00849148Courtesy of NISSAN MOTOR CO., U.S.A.
    5. Check continuity between IPDM E/R harness connector terminal and body ground.
      Fig 6: Connector Terminals Continuity Chart
      G00849149Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 7: Checking Continuity Between IPDM E/R Harness Connector Terminal And Body Ground
      G00849150Courtesy of NISSAN MOTOR CO., U.S.A.
    6. Check continuity between front wiper motor harness connector terminal 1 and body ground.
      Fig 8: Connector Terminals Continuity Chart
      G00849151Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 9: Checking Continuity Between Front Wiper Motor Harness Connector Terminal 1 And Body Ground
      G00849152Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Connect connector. GO TO 3.
    2. NG: Check for open circuit in harness between front wiper motor and body ground.
  3. IPDM E/R INSPECTION 

    With CONSULT-II

    1. Connect IPDM E/R connector and front wiper motor connector.
    2. Select "FR WIPER HI" during "ACTIVE TEST".
    3. When front wiper relay, and front wiper HI relay are operating, check voltage between IPDM E/R terminals and body ground.

    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 relay, and front wiper HI relay are operating, check voltage between IPDM E/R terminals and body ground.
      Fig 10: Connector Terminals Voltage Chart
      G00849153Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 11: Checking Voltage Between IPDM E/R Terminals And Body Ground
      G00849154Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Replace the front 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 ".
  4. COMBINATION SWITCH TO BCM (1) 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 

    1. OK: GO TO 5.
    2. NG: Check wiper switch. Refer to "COMBINATION SWITCH READING FUNCTION ".
      Fig 12: Data Monitor Display
      G00849155Courtesy of NISSAN MOTOR CO., U.S.A.
  5. COMBINATION SWITCH TO BCM (2) INSPECTION 

    Select "BCM" on Consult-II. Carry out self-diagnosis of "BCM".

    Displayed self-diagnosis results

    1. NO DTC: Replace the BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    2. CAN COMM CIRCUIT: Check CAN communication line of BCM.

      GO TO "CAN COMMUNICATION INSPECTION USING CONSULT-II ".

      Fig 13: Self-Diagnosis Results Display
      G00849156Courtesy of NISSAN MOTOR CO., U.S.A.


  1. IPDM E/R TO FRONT WIPER MOTOR (1) INSPECTION 

    With CONSULT-II

    Select "IPDM E/R" with CONSULT-II. With data monitor, confirm that "WIP AUTO STOP" changes from "ACT P" to "STOP P" according to wiper operation.

    Without CONSULT-II

    GO TO 2.

    OK or NG 

    1. OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
    2. NG: GO TO 2.
      Fig 1: Data Monitor Display
      G00849157Courtesy of NISSAN MOTOR CO., U.S.A.
  2. IPDM E/R TO FRONT WIPER MOTOR (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 and front wiper motor harness connector.
      Fig 2: Connector Terminals Continuity Chart
      G00849158Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Checking Continuity Between IPDM E/R Harness Connector And Front Wiper Motor Harness Connector
      G00849159Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between IPDM E/R harness connector terminal and ground.
      Fig 4: Connector Terminals Continuity Chart
      G00849160Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Checking Continuity Between IPDM E/R Harness Connector Terminal And Ground
      G00849161Courtesy of NISSAN MOTOR CO., U.S.A.
    5. Check continuity between front wiper motor harness connector terminal 1 and body ground.
      Fig 6: Connector Terminals Continuity Chart
      G00849162Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 7: Checking Continuity Between Front Wiper Motor Harness Connector Terminal 1 And Body Ground
      G00849163Courtesy 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.
      • Check for open circuit in harness between front wiper motor and body ground.
  3. IPDM E/R TO FRONT WIPER MOTOR (3) INSPECTION 

    While front wiper motor is stopped and while operating, measure voltage between IPDM E/R terminal 32 and body ground.

    Fig 8: Connector Terminals Voltage Chart
    G00849164Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 9: Measuring Voltage Between IPDM E/R Terminal 32 And Body Ground
    G00849165Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
    2. NG: Replace front wiper motor. Refer to "REMOVAL AND INSTALLATION FOR WIPER MOTOR AND LINKAGE ".


  1. COMBINATION SWITCH TO BCM INSPECTION 

    Select BCM on Consult-II. With "WIPER" data monitor, check that "FR WIPER LOW" turns ON-OFF according to operation of wiper switch.

    OK or NG 

    1. OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    2. NG: Replace wiper switch. Refer to "REMOVAL AND INSTALLATION FOR WIPER AND WASHER SWITCH ".
      Fig 1: Data Monitor Display
      G00849166Courtesy of NISSAN MOTOR CO., U.S.A.


  1. 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.

    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 

    1. OK: GO TO  4.
    2. NG: GO TO 2.
      Fig 1: Active Test Display
      G00849167Courtesy of NISSAN MOTOR CO., U.S.A.
  2. 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: Connector Terminals Continuity Chart
      G00849168Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Checking Continuity Between IPDM E/R And Front Wiper Motor Harness Connector Terminals
      G00849169Courtesy 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.
  3. IPDM E/R INSPECTION 

    With CONSULT-II

    1. Connect IPDM E/R connector and front wiper motor connector.
    2. Select "FR WIPER HI" during "ACTIVE TEST".
    3. When front wiper relay (HI) 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 relay (HI) is operating, check voltage between IPDM E/R terminals.
      Fig 4: Connector Terminals Voltage Chart
      G00849170Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Checking Voltage Between IPDM E/R Terminals
      G00849171Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Replace the 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 ".
  4. 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. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    2. NG: Replace wiper switch. Refer to , "REMOVAL AND INSTALLATION FOR WIPER AND WASHER SWITCH ".
      Fig 6: Data Monitor Display
      G00849172Courtesy of NISSAN MOTOR CO., U.S.A.


  1. COMBINATION SWITCH TO BCM INSPECTION 

    Select BCM on Consult-II. With "WIPER" data monitor, check that "FR WIPER INT" turns ON-OFF according to operation of wiper switch.

    OK or NG 

    1. OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    2. NG: Replace wiper switch. Refer to , "REMOVAL AND INSTALLATION FOR WIPER AND WASHER SWITCH ".
      Fig 1: Data Monitor Display
      G00849173Courtesy of NISSAN MOTOR CO., U.S.A.


  1. COMBINATION SWITCH TO BCM INSPECTION 

    Select BCM on Consult-II. With "WIPER" data monitor, check that "INT VOLUME" changes in order from 1 to 7 according to operation of the intermittent switch dial position.

    OK or NG 

    1. OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    2. NG: Replace wiper switch. Refer to "REMOVAL AND INSTALLATION FOR WIPER AND WASHER SWITCH ".
      Fig 1: Data Monitor Display
      G00849174Courtesy of NISSAN MOTOR CO., U.S.A.


  1. COMBINATION SWITCH TO BCM INSPECTION 

    Select BCM on Consult-II. With "WIPER" data monitor, check that "FR WASHER SW" turns ON-OFF according to operation of front washer switch.

    OK or NG 

    1. OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    2. NG: Replace wiper switch. Refer to "REMOVAL AND INSTALLATION FOR WIPER AND WASHER SWITCH ".
      Fig 1: Data Monitor Display
      G00849175Courtesy of NISSAN MOTOR CO., U.S.A.


  1. IPDM E/R TO FRONT WIPER MOTOR (1) INSPECTION 

    With CONSULT-II

    Select "IPDM E/R" with CONSULT-II. With data monitor, confirm that "WIP AUTO STOP" changes from "ACT P" to "STOP P" according to wiper operation.

    Without CONSULT-II

    GO TO 2.

    OK or NG 

    1. OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
    2. NG: GO TO 2.
      Fig 1: Data Monitor Display
      G00849176Courtesy of NISSAN MOTOR CO., U.S.A.
  2. IPDM E/R TO FRONT WIPER MOTOR (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: Connector Terminals Continuity Chart
      G00849177Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Checking Continuity Between IPDM E/R And Front Wiper Motor Harness Connector Terminals
      G00849178Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between IPDM E/R harness connector terminal and body ground.
      Fig 4: Connector Terminals Continuity Chart
      G00849179Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Checking Continuity Between IPDM E/R Harness Connector Terminal And Body Ground
      G00849180Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Connect connectors. GO TO 3.
    2. NG: Repair harness or connector.
  3. IPDM E/R TO FRONT WIPER MOTOR (3) INSPECTION 

    While front wiper motor is stopped and while operating, measure voltage between IPDM E/R terminal 32 and body ground.

    Fig 6: Connector Terminals Voltage Chart
    G00849181Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 7: Measuring Voltage Between IPDM E/R Terminal 32 And Body Ground
    G00849182Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".
    2. NG: Replace front wiper motor. Refer to "REMOVAL AND INSTALLATION FOR WIPER MOTOR AND LINKAGE ".
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