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Sliding Motor Circuit Inspection

WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK SEAT SLIDING MECHANISM 

    Check the following.

    • Operation malfunction caused by sliding rail deformation, pinched harness or other foreign materials
    • Operation malfunction caused by foreign materials adhered to the sliding motor LH or sliding rail connector rod
    • Operation malfunction and interference with other parts by poor installation

    OK or NG 

    OK: GO TO 2.

    NG: Repair the malfunctioning part and check again.

  2. CHECK FUNCTION 

    With CONSULT-II

    Check operation with "SEAT SLIDE" in ACTIVE TEST.

    TEST ITEM DESCRIPTION

    Test item Description
    SEAT SLIDE The sliding motor is activated by receiving the drive signal.

    Without CONSULT-II

    GO TO 3.

    OK or NG 

    OK: Sliding motor circuit is OK.

    NG: GO TO 3.

    Fig 1: CONSULT-II Screen Display - SEAT SLIDE In ACTIVE TEST
    G04199924Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK SLIDING MOTOR CIRCUIT HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit and sliding motor LH.
    3. Check continuity between driver seat control unit connector P3 terminals 35, 42 and sliding motor connector B307 terminals 4, 6.

      35 - 4: Continuity should exist. 

      42 - 6: Continuity should exist. 

    4. Check continuity between driver seat control unit connector P3 terminals 35, 42 and ground.

      35 - Ground: Continuity should not exist. 

      42 - Ground: Continuity should not exist. 

      Fig 2: Identifying Continuity Between Driver Seat Control Unit Connector P3 Terminals 35, 42 And Sliding Motor Connector B307 Terminals 4, 6
      G04199925Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness.

  4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL 
    1. Connect the driver seat control unit and sliding motor LH.
    2. Check voltage between driver seat control unit connector and ground.
      TERMINALS VOLTAGE REFERENCE

      Connector Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      P3 35 Ground Sliding switch ON (FORWARD operation) Battery voltage
      Other than above 0
      42 Sliding switch ON (BACKWARD operation) Battery voltage
      Other than above 0
      Fig 3: Identifying Voltage Between Driver Seat Control Unit Connector And Ground
      G04199926Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

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

    NG: Replace driver seat control unit. Refer to "FRONT SEAT ".

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