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Reclining Sensor Circuit Inspection

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUNCTION 

    With CONSULT-II 

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

    Fig 1: Reclining Sensor Circuit - Monitor Item Contents Chart
    G02420619Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: DATA MONITOR - CONSULT II Display Screen
    G02420620Courtesy 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.
      Fig 3: Reclining Sensor Circuit Signal Reference Chart
      G02420621Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 4: Checking Signal Between Driver Seat Control Unit Connector And Ground
      G02420622Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Reclining sensor circuit is OK.
    • NG: GO TO 2.
  2. CHECK RECLINING SENSOR HARNESS CONTINUITY 
    1. Disconnect driver seat control unit and reclining motor.
    2. Check continuity between driver seat control unit connector P2 terminal 9 and reclining motor connector P5 terminal 7.

      9 (R) - 7 (R): Continuity should exist. 

    3. Check continuity between driver seat control unit connector P2 terminals 9 and ground.

      9 (R) - Ground: Continuity should not exist. 

      Fig 5: Checking Continuity Between Driver Seat Control Unit Connector P2 Terminal 9 And Reclining Motor Connector P5 Terminal 7
      G02420623Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Replace reclining motor.
    • NG: Repair or replace harness.