Hyundai Ioniq: Air Conditioning System / Duct Sensor. Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Duct Sensor. Repair procedures

Inspection

Check that the voltage values of No. 1, 2 duct sensors change

1. Sensor (+ 5V)

2. Sensor ground

Specification

Ambient temperature [°C (°F)]	Resistance (kΩ)	Voltage (V)
50 (122)	1.08	0.87
30 (86)	2.42	1.61
10 (50)	5.96	2.69
0 (32)	9.73	3.28
-20 (-4)	28.01	4.23
-40 (-40)	87.72	4.73

Replacement

[Duct sensor - Floor]

1.	Disconnect the negative (-) battery terminal.

2.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel")

3.	Remove the driver's side shower duct (A) after loosening the screw.

4.	Disconnect the duct sensor connector (A).

5.	Hold the end of duct sensor (A) and then rotate it 90° clockwise. Remove the duct sensor (B) by pulling it.

6.	To install, reverse the removal procedure.

[Duct sensor - Vent]

7.	Disconnect the negative (-) battery terminal.

8.	Remove the main crash pad assembly. (Refer to Body - "Main Crash Pad Assembly")

9.	Disconnect the duct sensor connector (A).

10.	Hold the end of duct sensor (A) and then rotate it 90° clockwise. Remove the duct sensor (B) by pulling it.

11.	To install, reverse the removal procedure.

Duct Sensor. Components and components location

C..

Heater

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Seat Heater Switch. Components and components location

C..

Hyundai Ioniq (AE) 2017-2025 Service Manual: Special service tools

Special Service Tools Tool (Number and Name) Illustration Use 09568-1S100Saperate the ball joint from the front alxe09546-3X100 Shock absorber lock nut removal toolUsed for remove the shock absorber lock nut...