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Home >> Kia >> 2012 >> Optima SX >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - Except HEV >> Body Control Module (BCM) >> Description And Operation >> Function >> Defogger & Front Deicer Timer
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Defogger & Front Deicer Timer

  1. Defogger relay & Front deicer relay is turned ON for 20 min 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: Defogger & Front Deicer Timing Pattern Graph
G07380734Courtesy of KIA MOTORS AMERICA, INC.

T1 : 20 ± 1 min