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Reclining Motor Circuit Inspection

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK SEAT RECLINING MECHANISM 

    Check the following.

    • Operation malfunction caused by an interference with the center pillar or center console
    • 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-III 

    Check operation with "SEAT RECLINING" in ACTIVE TEST.

    SEAT RECLINING TEST ITEM DESCRIPTION CHART

    Test item Description
    SEAT RECLINING The reclining motor is activated by receiving the drive signal.

    Without CONSULT-III 

    GO TO 3.

    OK or NG 

    OK: Reclining motor LH circuit is OK.

    NG: GO TO 3.

  3. CHECK RECLINING MOTOR HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit and reclining motor.
    3. Check continuity between driver seat control unit connector (A) B402 terminals 36, 44 and reclining motor LH B405 connector B405 terminals 3, 4.

      36 - 3: Continuity should exist. 

      44 - 4: Continuity should exist. 

    4. Check continuity between driver seat control unit connector (A) B402 terminals 36, 44 and ground.

      36 - Ground: Continuity should not exist. 

      44 - Ground: Continuity should not exist. 

    Fig 1: Checking Reclining Motor Harness Continuity
    G04917346Courtesy 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 reclining motor.
    2. Check voltage between driver seat control unit connector and ground.
      DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

      Connector Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      B402 36 Ground Reclining switch ON (FORWARD operation) Battery voltage
      Other than above 0
      44 Reclining switch ON (BACKWARD operation) Battery voltage
      Other than above 0
      Fig 2: Checking Voltage Between Driver Seat Control Unit Connector And Ground
      G04917347Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace reclining motor LH. Refer to "FRONT SEAT ".

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

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