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Home >> Infiniti >> 2006 >> FX45 >> Repair and Diagnosis >> Body & Frame >> Seats >> Automatic Drive Positioner >> Check Front Lifting Switch Circuit

Check Front Lifting Switch Circuit

  1. CHECK FUNCTION 

    With CONSULT-II 

    With "LIFT FR SW-UP, LIFT FR SW-DN" on the DATA MONITOR, operate the front lifting switch to check ON/OFF operation.

    MONITOR ITEM CHART

    Monitor item [OPERATION or UNIT] Contents
    LIFT FR SW - DN "ON/OFF" ON/OFF status judged from the FR lifter switch (DOWN) signal is displayed.
    LIFT RR SW - UP "ON/OFF" ON/OFF status judged from the RR lifter switch (UP) signal is displayed.
    Fig 1: CONSULT-II Function Display - DATA MONITOR
    G04077703Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Turn ignition switch OFF.
    2. Front lifting switch operate, check voltage between driver seat control unit connector and ground.
      TERMINAL VOLTAGE CHART

      Connector Terminals (Wire color) Front lifting switch condition Voltage (V) (Approx.)
      (+) (-)
      B152 26 (L/P) Ground UP 0
      Other than above Battery voltage
      39 (L/G) DOWN 0
      Other than above Battery voltage
      Fig 2: Identifying Voltage Between Driver Seat Control Unit Connector And Ground
      G04077704Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Front lifting switch circuit is OK.

    NG : GO TO 2.

  2. CHECK HARNESS CONTINUITY 
    1. Disconnect driver seat control unit connector and power seat switch connector.
    2. Check continuity between driver seat control unit connector B152 terminals 26, 39 and power seat switch connector B175 terminals 26, 39.

      26 (L/P) - 26 (L/P) : Continuity should exist. 

      39 (L/G) - 39 (L/G) : Continuity should exist. 

    3. Check continuity between driver seat control unit connector B152 terminals 26, 39 and ground

      26 (L/P) - Ground : Continuity should not exist. 

      39 (L/G) - Ground : Continuity should not exist. 

      Fig 3: Identifying Continuity Between Driver Seat Control Unit Connector B152 Terminals 26, 39 And Ground
      G04077705Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 3.

    NG : Repair or replace harness between driver seat control unit and power seat switch.

  3. CHECK FRONT LIFTING SWITCH 

    Front lifting switch operate, check continuity between power seat switch connector B175 terminal 26, 39 and 61B.

    TERMINAL CONTINUITY CHART

    Connector Terminals Front lifting switch condition Continuity
    B175 26 61B UP Yes
    Other than above No
    39 DOWN Yes
    Other than above No

    OK or NG 

    OK : Check the condition of the harness and connector.

    NG : Replace power seat switch.

    Fig 4: Identifying Continuity Between Power Seat Switch Connector B175 Terminal 26, 39 And 61B
    G04077706Courtesy of NISSAN MOTOR CO., U.S.A.
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