Hyundai Ioniq: Rear Glass Defogger / Rear Glass Defogger Switch. Repair procedures

Hyundai Ioniq (AE) 2017-2024 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 the grid line to check for open circuits...

Windshield Wiper/Washer

Other information:

Hyundai Ioniq (AE) 2017-2024 Owner's Manual: LCD Display Messages

Shift to P This message is displayed if you try to turn off the vehicle with the shift lever in the N (Neutral) position. At this time, the Engine Start/Stop button turns to the ACC position (If you press the Engine Start/Stop button once more, it will turn to the ON position)...

Hyundai Ioniq (AE) 2017-2024 Service Manual: BMS ECU. Schematic diagrams

B..