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Reclining Switch Inspection

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUNCTION 

    With CONSULT-II 

    With "RECLN SW-FR, RECLN SW-RR" on the DATA MONITOR, operate the reclining switch to check ON/OFF operation.

    Fig 1: Identifying Display - Data Monitor
    G03600570Courtesy of NISSAN MOTOR CO., U.S.A.
    RECLN SW-FR & RECLN SW-RR DATA MONITOR

    Monitor item [OPERATION or UNIT] Contents
    RECLN SW -FR "ON/OFF" ON/OFF status judged from the reclining switch (FR) signal is displayed.
    RECLN SW -RR "ON/OFF" ON/OFF status judged from the reclining switch (RR) signal is displayed.

    Without CONSULT-II 

    1. Turn ignition switch OFF.
    2. Check voltage between driver seat control unit connector and ground.
      Fig 2: Checking Voltage Between Driver Seat Control Unit Connector And Ground
      G03600571Courtesy of NISSAN MOTOR CO., U.S.A.
      VOLTAGE BETWEEN DRIVER SEAT CONTROL UNIT CONNECTOR AND GROUND REFERENCE

      Connector Terminals (Wire color) Condition Voltage (V) (Approx.)
      (+) (-)
      P2 12 (O/B) Ground Reclining switch ON (BACKWARD operation) 0
      Other than above Battery voltage
      27 (G/B) Reclining switch ON (FORWARD operation) 0
      Other than above Battery voltage

    OK or NG

    • OK : Reclining switch circuit is OK.
    • NG : GO TO 2.
  2. CHECK RECLINING SWITCH CIRCUIT HARNESS CONTINUITY 
    1. Disconnect driver seat control unit and power seat switch LH.
    2. Check continuity between driver seat control unit connector P2 terminals 12, 27 and power seat switch LH connector P8 terminals 9, 10.

      12 (O/B) - 9 (O/B) : Continuity should exist  .

      27 (G/B) - 10 (G/B) : Continuity should exist  .

    3. Check continuity between driver seat control unit connector P2 terminals 12, 27 and ground.

      12 (O/B) - Ground : Continuity should not exist  .

      27 (G/B) - Ground : Continuity should not exist. LIIA1127E 

      Fig 3: Checking Continuity Between Driver Seat Control Unit Connector P2 Terminals 12, 97 And Power Seat Switch LH Connector P8 Terminals 9 And Ground
      G03600572Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK : GO TO 3.
    • NG : Repair or replace harness.
  3. RECLINING SWITCH INSPECTION 

    Check continuity between power seat switch LH as follows.

    Fig 4: Checking Continuity Between Power Seat Switch LH
    G03600573Courtesy of NISSAN MOTOR CO., U.S.A.
    CONTINUITY BETWEEN POWER SEAT SWITCH LH REFERENCE

    Connector Terminal Condition Continuity
    P8 9 3 Reclining switch ON (BACKWARD operation) Yes
    Other than above No
    10 Reclining switch ON (FORWARD operation) Yes
    Other than above No

    OK or NG

    • OK : Check the condition of the harness and connector.
    • NG : Replace power seat switch LH. Refer to "REMOVAL AND INSTALLATION ".