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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Seats (Except Hybrid)) >> DTC/Circuit Diagnosis >> Seat Cushion Thermal Electric Device Sensor >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE SENSOR SIGNAL

    1. Turn ignition switch ON.
    2. Check voltage between seat cushion thermal electric device harness connector and ground.
      (+) (-) Condition Voltage (V)
      (Approx.)
      Seat cushion thermal electric device
      Connector Terminal
      Driver side B206 3 Ground Climate controlled seat operated 1 - 5
      Passenger side B308

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE SENSOR CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect climate controlled seat control unit connector and seat cushion thermal electric device connector.
    3. Check continuity between climate controlled seat control unit harness connector and seat cushion thermal electric device harness connector.
      Climate controlled seat control unit Seat cushion thermal electric device Continuity
      Connector Terminal Connector Terminal
      Driver side B204 2 B206 3 Yes
      Passenger side B305 B308
    4. Check continuity between climate controlled seat control unit harness connector and ground.
      Climate controlled seat control unit Ground Continuity
      Connector Terminal
      Driver side B204 2 No
      Passenger side B305

    Is the inspection result normal?

    YES 

    Replace climate controlled seat control unit. Refer to EXPLODED VIEW .

    NO 

    Repair or replace harness.

  3. CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE SENSOR GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect climate controlled seat control unit connector and seat cushion thermal electric device connector.
    3. Check continuity between climate controlled seat control unit harness connector and seat cushion thermal electric device harness connector.
      Climate controlled seat control unit Seat cushion thermal electric device Continuity
      Connector Terminal Connector Terminal
      Driver side B204 17 B206 4 Yes
      Passenger side B305 B308
    4. Check continuity between climate controlled seat control unit harness connector and ground.
      Climate controlled seat control unit Ground Continuity
      Connector Terminal
      Driver side B204 17 No
      Passenger side B305

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace harness.

  4. CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE SENSOR

    Check seat cushion thermal electric device sensor. Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    Check intermittent incident  . Refer to INTERMITTENT INCIDENT .

    NO 

    Replace seat cushion thermal electric device. Refer to SEAT CUSHION THERMAL ELECTRIC DEVICE .

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