Hyundai Sonata: Rear Glass Defogger / Rear Glass Defogger Switch Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Rear Glass Defogger / Rear Glass Defogger 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.

Rear Glass Defogger Printed Heater Repair procedures

Inspection Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line. Apply finger pressure on the tin foil, moving the tin foil along th ...

Windshield Wiper/Washer

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Heater & A/C Control Unit (Manual) Components and Components Location
Components Connector [A] Pin NOFunctionPin NOFunction1ILL+ (TAIL)21Detent OUT (+)2Sensor REF (+5V)22HTD3Mode control actuator (Vent)23Rear defog switch4Mode control actuator (Defrost)24C_CAN High5Mode control actuator (Feedback)25C_CAN Low6Intake actuator (Fresh)26ECV+7Intake actuator (Recircula ...

Hyundai Sonata LF 2014-2019 Service Manual: Rear Mud Guard Repair procedures
Replacement • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage. • Take care not to scratch the body surface. 1. After loosening the ...