Hyundai Sonata: Windshield Deicer / Components and Components Location

Component Location
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 front defroster switch, then controls relay.
When the front defroster switch is switched ON, and the engine is running with generator output, the deicer will go ON for a maximum of 20 minutes.

1. Windshield deicer relay Smart Junction Block (SJB)
2. Windshield deicer switch
3. Deicer connector
4. Windshield deiecr

Windshield Deicer
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Windshield Deicer Repair procedures
Inspection 1. Remove the cowl top cover. (Refer to Body - "Cowl Top Cover") 2. Disconnect the windshield deicer connector (A). 3. Check for continuity between the terminals of deicer line ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Seat Heater Switch Schematic Diagrams
Circuit Diagram ...

Hyundai Sonata LF 2014-2019 Service Manual: Accelerator Position Sensor (APS) Repair procedures
Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Turn the ignition switch ON. 3. Measure the output voltage of the APS 1 and 2 at C.T and W.O.T. Specification: Refer to “Specification” ...

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