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Home >> Lexus >> 2011 >> HS 250h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System/Washer System (Diagnostics & Circuit Tests) >> Wiper And Washer System >> System Description >> System Description
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System Description

  1. AUTO WIPER SYSTEM 

    General

    • The auto wiper system controls the wiper timing in accordance with the amount of raindrops that strike the windshield when the wiper switch is in AUTO.
    • The windshield wiper relay assembly controls the timing based on the signal from the rain sensor.
  2. HEADLIGHT CLEANER SYSTEM 

    General

    • The headlight cleaner system operates when the headlight cleaner switch is pushed ON.
    • The headlight cleaner system also operates when the front washer switch is first operated with the headlights on.