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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis (Single Page) >> Body & Frame >> Seats >> Seat Electrical - Except HEV >> Seat Heater (Non-Air Ventilation) >> Repair Procedures >> Inspection >> First Seat Heater

First Seat Heater

  1. Check for continuity and measure the resistance between No. 4 and No. 6 terminals.

    Cushion 

    Fig 1: First Seat Heater Connector End View (Cushion)
    G07380816Courtesy of KIA MOTORS AMERICA, INC.
    CUSHION DESCRIPTION CHART

    No. Description
    1 Heater (-)
    2 NTC (-)
    3 NTC (+)
    4 Heater (+)

    Back 

    Fig 2: First Seat Heater Connector End View (Back)
    G07380817Courtesy of KIA MOTORS AMERICA, INC.
  2. Measure the resistance between No. 1 and No. 4 in the A connector to check the cushion and back heater.

    Standard value 

    Set (Cushion+Back) :  2.65Ω ± 10%

  3. Measure the resistance between No. 4 in the A and No. 1 in the B connector to check the cushion heater.

    Standard value 

    Cushion :  1.3Ω ± 10%

  4. Measure the resistance between No. 1 and No. 2 in the C connector to check the back heater.

    Standard value 

    Back :  1.35Ω ± 10%

  5. Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.

    Standard value (Fabric / Leather) Cushion: 

    1 Step : 40 ± 2°C (104 ± 3.6°F)

    2 Step : 42 ± 2°C (107.6 ± 3.6°F)

    Back: 

    1 Step : 46 ± 2°C (114.8 ± 3.6°F)

    2 Step : 52 ± 2°C (125.6 ± 3.6°F)

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