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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 >> Front Wiper Mist Function Wiper
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Front Wiper Mist Function Wiper

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Fig 1: Front Wiper Mist Function Wiper - System Diagram
G08309145Courtesy of KIA MOTORS AMERICA, INC.
  1. Function Description

    In case of IGN2 On (IGN2 ON), if turning on the Wiper Mist switch(Wiper Mist switch On), then Wiper is controlled, by switch on time. Mist operation does not work at Wiper Washer.

    Mist Switch On Time (TMist) Action
    TMist < 0sec No action
    0sec ≤ TMist < 0.7sec After "Mist Out Delay Time", turn on the Wiper Low Output for "One Wiping" Time (the remaining motor operation to reach wiper park position is done by electrical wiring)
    0.7sec ≤ TMist After "Mist Out Delay Time", turn on the Wiper Low Output and after Mist switch off, Wiper Low Output is Off immediately (the remaining motor operation to reach wiper park position is done by electrical wiring)
    Fig 2: Wiper Mist Switch And Wiper Low Blinking Pattern
    G08309146Courtesy of KIA MOTORS AMERICA, INC.

    T1: One Wiping, T2: Mist One Time

  2. Under IGN2 switch ON, Wiper LOW relay is turned ON immediately from Mist switch ON if Mist switch ON for more than T1, Wiper LOW relay is turned OFF after T2 from Mist switch OFF.
    Fig 3: Ignition 2, Mist Switch And Wiper Low Relay Blinking Pattern
    G08309147Courtesy of KIA MOTORS AMERICA, INC.

    T1: 0.7s(Min), T2: 0.7s±0.1s