Hyundai Sonata: Windshield Deicer / Windshield Deicer Switch Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Windshield Deicer / Windshield Deicer Switch Repair procedures

Inspection

The body electrocal system can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).

The diagnostic system (GDS) provides the following information.

(1)	Self diagnosis : Checking the failure code (DTC) and display

(2)	Current data : Checking the system input/output data state

(3)	Actuation test : Checking the system operation condition

(4)	Additional function : Other controlling such as he system option and zero point

2.	Select the "Car Model" and the system to be checked in order to check the vehicle with the tester.

3.	Select the "Smart Junction Box (SJB)" to check the windshield deicer.

4.	Select the "Current Date" menu to search the current state of the input/output data. The input/output data for the sensors corresponding to the 'Smart Junction Box (SJB)' can be checked.

5.	Select "Actuation Test", if you want to check the Smart Junction Box (SJB) data operation forcefully.

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the heater and A/C controll unit. (Refer to Heating, Ventilation, Air conditioning - "Heater & A/C Control Unit (Dual)")

Installation

1.	Install the heater and A/C control unit.

2.	Connect the negative (-) battery terminal.

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 ...

Rear Glass Defogger

...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: AVN Remote Controller (Sonata Sports) Schematic Diagrams
Circuit Diagram ...

Hyundai Sonata LF 2014-2019 Service Manual: Relay Box (Engine Compartment) Components and Components Location
Component Location [Engine room junction block] [Metal Core Block (PCB)] ...