FixVault
Home › Infiniti › 2009 › M45 Base › Repair and Diagnosis › Body & Frame › Seats › Service Information › Climate Controlled Seat › Check Climate Controlled Seat Switch Indicator Circuit

Check Climate Controlled Seat Switch Indicator Circuit

  1. CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT CIRCUIT
    1. Turn ignition switch ON.
    2. Check voltage between climate controlled seat switch connector and ground.
      VOLTAGE SPECIFICATION

      Terminal Condition Voltage (V) (Approx.)
      (+) (-)
      Climate controlled seat control unit connector Terminal
      B283 (driver side)
      B293 (passenger side)      		 8 Ground Climate controlled seat switch HEAT Battery voltage
      Other than above. 0
      9 Climate controlled seat switch COOL Battery voltage
      Other than above. 0
      Fig 1: Checking Voltage Between Climate Controlled Seat Switch Connector And Ground
      G05213063Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK: GO TO 2.

      NG: Replace climate controlled seat control unit.

  2. CHECK CLIMATE CONTROLLED SEAT SWITCH HARNESS CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect climate controlled seat switch and climate controlled seat control unit connector.
    3. Check continuity between climate controlled seat control unit connector and climate controlled seat switch.
      • Driver side
        CONTINUITY CHART

        A B Continuity
        Climate controlled seat control unit connector Terminal Climate controlled seat switch connector Terminal
        B283 8 B430 5 Yes
        9 4
      • Passenger side
        CONTINUITY CHART

        A C Continuity
        Climate controlled seat control unit connector Terminal Climate controlled seat switch connector Terminal
        B293 8 B429 5 Yes
        9 4
        Fig 2: Checking Continuity Between Climate Controlled Seat Control Unit Connector And Climate Controlled Seat Switch And Ground
        G05213064Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between climate controlled seat control unit connector and ground.
      CONTINUITY CHART

      A Ground Continuity
      Climate controlled seat control unit connector Terminal
      B283 (driver side)
      B293 (passenger side)      		 8 No
      9

      OK or NG 

      OK: GO TO 3.

      NG: Repair or replace harness between climate controlled seat control unit and climate controlled seat switch.

  3. CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR

    Check continuity between climate controlled seat switch.

    CONTINUITY CHART

    Climate controlled seat switch connector Terminal Continuity
    (+) (-)  
    B430 (driver side)
    B429 (passenger side)    		 4 6 No
    5
    6 4 Yes
    5
    *: Driver side

    OK or NG 

    OK: Check the condition of the harness and the connector.

    NG: Replace climate controlled seat switch.

    Fig 3: Checking Continuity Between Climate Controlled Seat Switch
    G05213065Courtesy of NISSAN MOTOR CO., U.S.A.
About FixVault