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

Inspection
1.
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
...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Rear Seat Belt Retractor Repair procedures
Replacement     • When installing the belt, make sure not to damage the retractor. 1. Remove the rear package tray trim. (Refer to Interior Trim - "Rear Package Tray Trim") 2. After loosening the mounting bolt, then remove the rear seat belt lower anchor (A). ...

Hyundai Sonata LF 2014-2019 Service Manual: Stop Signal Electronic Module Schematic Diagrams
System Circuit Diagram Terminal Function TeminalDescription1Ground 2HAC/DBC Signal (Active Low)3ESS Signal (Active Low)4Stop lamp5Stop lamp switch6ECU/ SMK7ESS Signal (Active High)8Battery ...

© 2018-2025 www.hsonatalf.org