Heated Glass Control Module: Description and Operation

Windshield glass deicer system prevent windshield wiper from freezing in the winter season. It consists of deicer in the lower part of windshield glass, switch and relay.

ETACS module receives an input signal from the deicer switch, then controls relay.

Operating condition is the same that of rear window defogger system.

If the alternator "L" is switched ON, and the deicer switch is ON, then deicer output is ON for 20 minutes.