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Reclining Motor Circuit Check

WARNING: This page is about a different car, the 2004 Nissan Murano. 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

    1. OK: GO TO 2.
    2. NG: Repair the malfunctioning part and check again.
  2. CHECK FUNCTION 

    With CONSULT-II 

    Check operation with "SEAT RECLINING" in ACTIVE TEST.

    RECLINING MOTOR CIRCUIT CHECK CHART

    Test item Description
    SEAT RECLINING The reclining motor is activated by receiving the drive signal.
    Fig 1: Scan Tool Displaying Active Test
    G03497701Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    GO TO 3.

    OK or NG

    1. OK: Reclining motor circuit is OK.
    2. NG: GO TO 3.
  3. CHECK RECLINING MOTOR CIRCUIT HARNESS CONTINUITY 
    1. Turn ignition switch OFF
    2. Disconnect driver seat control unit connector and reclining motor connector.
    3. Check continuity between driver seat control unit connector B304 terminals 36 (G), 44 (LG) and reclining motor connector B311 terminals 36 (G), 44 (LG).

      36 (G) - 36 (G): Continuity should exist. 

      44 (LG) - 44 (LG): Continuity should exist. 

    4. Check continuity between driver seat control unit connector B304 terminals 36 (G), 44 (LG) and ground.

      36 (G) - Ground: Continuity should not exist. 

      44 (LG) - Ground: Continuity should not exist. 

      Fig 2: Checking Continuity Between Driver Seat Control Unit Connector B304 Terminals 36, 44 And Ground
      G03497702Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 4.
    2. NG: Repair or replace harness between driver seat control unit and reclining motor.
  4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL 
    1. Connect the driver seat control unit and reclining motor connector.
    2. Check voltage between driver seat control unit connector and ground.
      VOLTAGE CHECK CHART

      Connector Terminals (Wire color) Condition Voltage (V) (Approx)
      (+) (-)
      B304 36 (G) Ground Reclining switch ON (FR operation) Battery voltage
      Reclining switch OFF 0
      44 (LG) Reclining switch ON (RR operation) Battery voltage
      Reclining switch OFF 0
      Fig 3: Checking Voltage Between Driver Seat Control Unit Connector And Ground
      G03497703Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Replace reclining motor.
    2. NG: Replace driver seat control unit.
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