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Sliding Sensor Circuit Inspection

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUNCTION 

    With CONSULT-II 

    Check operation with "SLIDE PULSE" on the DATA MONITOR to make sure the pulse changes.

    DATA MONITOR REFERENCE

    Monitor item [OPERATION or UNIT] Contents
    SLIDE PULSE - The seat sliding position (pulse) judged from the sliding sensor signal is displayed
    Fig 1: CONSULT II Display - DATA MONITOR
    G04902996Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Turn ignition switch OFF.
    2. Check signal between driver seat control unit connector and ground, with oscilloscope.
      TERMINALS SIGNAL REFERENCE

      Connector Terminals Condition Signal
      (+) (-)
      B401 24 Ground Sliding motor operation
      G04902967Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Sliding sensor circuit is OK.

    NG: GO TO 2.

    Fig 2: Checking Signal Between Driver Seat Control Unit Connector Terminal 24 And Ground
    G04913194Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK SLIDING SENSOR CIRCUIT HARNESS CONTINUITY 
    1. Disconnect driver seat control unit connector and sliding motor LH connector.
    2. Check continuity between driver seat control unit connector B401 terminals 16, 24, 31 and sliding motor B403 terminals 1, 2, 3.

      16 - 3 : Continuity should exist. 

      24 - 2 : Continuity should exist. 

      31 - 1 : Continuity should exist. 

    3. Check continuity between driver seat control unit B401 terminals 16, 24, 31 and ground.

      16 - Ground : Continuity should not exist. 

      24 - Ground : Continuity should not exist. 

      31 - Ground : Continuity should not exist. 

    OK or NG 

    OK: Replace sliding motor. Refer to "FRONT SEAT ".

    NG: Repair or replace harness.

    Fig 3: Checking Continuity Between Driver Seat Control Unit B401 Terminals 16, 24, 31 And Ground, And Between Connector B401 Terminals 16, 24, 31 And Sliding Motor B403 Terminals 1, 2, 3
    G04902999Courtesy of NISSAN MOTOR CO., U.S.A.