Windshield Deicer: Overview Kia Carnival III

Scheme 1

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. FAM receives an input signal from the deicer switch of IPM through CAN communication line and then controls relay. Operating condition is the same that of rear window defogger system.

With the engine running and the charging system operating, if the deicer switch is ON, then deicer output is ON for 20 minutes.

Scheme 2

Scheme 3

1. Remove the cowl top cover. Refer to COWL TOP COVER REPLACEMENT .
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 (12V)

Scheme 4

Scheme 5

Scheme 6

Scheme 7

1. Disconnect the negative (-) battery terminal.
2. Remove the console lower cover (A).
3. Remove the center fascia panel (A) after loosening screws. Take care not to damage fixing clips.
4. Remove the windshield deicer switch from the center fascia panel switch.
5. Installation is the reverse of removal.