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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 40 (Body Control Module (BCM) - HEV) >> Description and Operation >> Function >> Defogger & Front Deicer Timer
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Defogger & Front Deicer Timer

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  1. Defogger relay & Front deicer relay is turned ON for 20min if defogger switch ON after Alt L ON & IGN1 ON.
  2. Defogger relay & Front deicer relay is turned OFF if again defogger switch ON during defogger relay ON.
  3. Defogger relay & Front deicer relay is turned OFF if AltL OFF or IGN1 OFF during defogger relay ON.
  4. Defogger relay & Front deicer relay and OFF of the output will remain at Defogger switch ON & Alt LON.
    Fig 1: Ignition 1, Alt L, Deffoger Switch And Relay Blinking Pattern
    G08309165Courtesy of KIA MOTORS AMERICA, INC.

    T1: 20 ± 1min

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