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

Check Rear Lifting Switch Circuit

  1. CHECK FUNCTION 

    With CONSULT-II 

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

    MONITOR ITEM CHART

    Monitor item [OPERATION or UNIT] Contents
    LIFT RR SW-UP "ON/OFF" (ON/OFF) status judged from the RR lifter switch (UP) signal is displayed.
    LIFT RR SW-DN "ON/OFF" (ON/OFF) status judged from the RR lifter switch (DOWN) signal is displayed.
    Fig 1: CONSULT-II Function Display - DATA MONITOR
    G04077707Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

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

      Connector Terminals (Wire color) Rear lifting switch condition Voltage (V) (Approx.)
      (+) (-)
      B152 27 (L) Ground UP 0
      Other than above Battery voltage
      40 (L/Y) DOWN 0
      Other than above Battery voltage
      Fig 2: Identifying Voltage Between Driver Seat Control Unit Connector And Ground
      G04077708Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Rear seat lifting switch circuit is OK.

    NG : GO TO 2.

  2. CHECK REAR LIFTING SWITCH 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 27, 40 and power seat switch connector B175 terminals 27, 40.

      27 (L) - 27 (L) : Continuity should exist. 

      40 (L/Y) - 40 (L/Y) : Continuity should exist. 

    3. Check continuity between driver seat control unit connector B152 terminals 27, 40 and ground.

      27 (L) - Ground : Continuity should not exist. 

      40 (L/Y) - Ground : Continuity should not exist. 

      Fig 3: Identifying Continuity Between Driver Seat Control Unit Connector B152 Terminals 27, 40 And Ground
      G04077709Courtesy 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 REAR LIFTING SWITCH 

    Rear lifting switch operate, check continuity between power seat switch connector B175 terminal 27, 40 and 61B.

    TERMINAL CONTINUITY CHART

    Connector Terminal Rear lifting switch condition Continuity
    B175 27 61B UP Yes
    Other than above No
    40 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 27, 40 And 61B
    G04077710Courtesy of NISSAN MOTOR CO., U.S.A.
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