Hyundai Sonata: Description and Operation - Windshield Deicer - Body Electrical SystemHyundai Sonata: Description and Operation

Description

Windshield deicer system prevent windshield wiper from freezing in the winter season. It consists of deicer in the lower part of windshield, switch and relay. Body control module receives an input signal from the deicer switch, then controls relay. Operating condition is the same that of rear window defogger system.
Since the generator "L" is switched ON, if the deicer switch is ON, then deicer output is ON for 20 minutes.

    Components and Components Location
    Component Location 1. Windshield deicer relay (Built-in engine room relay box) 2. Windshield deicer switch 3. Windshield deicer 4. Deicer connector ...

    Repair procedures
    Inspection 1. Remove the cowl top cover. (Refer to the wiper) 2. Disconnect the windshield deicer connector (A) from the wiper motor linka ...

    See also:

    Rail Pressure Sensor (RPS). Repair procedures
    Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the RPS at idle and various engine speed. ...

    Automatic heating and air conditioning
    1. Press the AUTO button. The modes, fan speeds, air intake and air-conditioning will be controlled automatically according to the temperature setting. Type A Type B 2. Turn the tempe ...

    Engine coolant
    The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...