Windshield Deicer - Except Hev: Overview Hyundai Sonata VI

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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.

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1. Remove the cowl top cover. Refer to «COWL TOP COVER»(ref-424779-S08285091642011100100000)
2. Disconnect the windshield deicer connector (A) from the wiper motor linkage.
3. Check for continuity between the terminals of deicer lines.
4. Turn the ignition switch ON and the windshield deicer switch ON, then measure the voltage between the terminals of harness side deicer connector. OK : approx. Battery voltage

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1. The windshield deicer switch inputs can be checked using the GDS.
2. To check the input value of windshield deicer switch, select option "Body Control Module".
3. Select option "Current Data of smart junction box".
4. To check the input value of windshield deicer switch in force mode, select option "Actuation Test of smart junction box".

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1. Disconnect the negative (-) battery terminal.
2. Remove the center fascia panel (A) after loosening the mounting screws.
3. Disconnect the heater control unit connector (A) and hose (B).
4. Remove the heater control unit contained the windshield deicer switch from the center fascia panel.