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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1025 (Seats) >> With Climate Controlled Seats >> Component Diagnosis >> Seat Cushion Thermal Electric Device >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE

    Perform thermal electric device component inspection for the seat cushion. Refer to "COMPONENT INSPECTION (THERMAL ELECTRIC DEVICE) ".

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Replace seat cushion thermal electric device.

  2. CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE CIRCUITS
    1. Turn ignition switch OFF.
    2. Disconnect seat cushion thermal electric device connector and climate controlled seat control unit connector B217.
    3. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 1, 2 and climate controlled seat control unit connector B217 (B) terminals 26, 27.
      CONTINUITY CHART

      Seat cushion thermal electric device Climate controlled seat control unit Continuity
      Connector Terminal Connector Terminal
      B219 (A) 1 B217 (B) 27 Yes
      2 26
    4. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 1, 2 and ground.
      Fig 1: Checking Continuity Between Seat Cushion Thermal Electric Device Connector B219 Terminals 1, 2 And Ground
      G05876222Courtesy of NISSAN MOTOR CO., U.S.A.
      CONTINUITY CHART

      Seat cushion thermal electric device Ground Continuity
      Connector Terminal
      B219 (A) 1 No
      2

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair harness or connectors.

  3. CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE SENSOR CIRCUITS
    1. Disconnect climate controlled seat control unit connector B212.
    2. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 3, 4 and climate controlled seat control unit connector B212 (B) terminals 13, 14.
      CONTINUITY CHART

      Seat cushion thermal electric device Climate controlled seat control unit Continuity
      Connector Terminal Connector Terminal
      B219 (A) 3 B212 (B) 14 Yes
      4 13
      Fig 2: Checking Continuity Between Seat Cushion Thermal Electric Device Connector B219 Terminals 3, 4 And Ground
      G05876223Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 3, 4 and ground.
      CONTINUITY CHART

      Seat cushion thermal electric device Ground Continuity
      Connector Terminal
      B219 (A) 3 No
      4

      Is the inspection result normal? 

      YES: Replace climate controlled seat control unit.

      NO: Repair harness or connectors.

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