Hyundai Ioniq: Front Radar System / Smart Cruise Control (SCC) Switch. Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Advanced Driver Assistance System (ADAS) / Front Radar System / Smart Cruise Control (SCC) Switch. Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the steering wheel assembly. (Refer to Steering System -"Steering Wheel")

3.	Remove the steering back cover (A).

4.	Remove the steering remote control connector (A).

5.	Remove the steering remote control (A), after loosening the screws.

Installation

1.	Install the steering wheel remote control after connecting the connector.

2.	Connect the negative (-) battery terminal.

Inspection

1.	Remove the cruise control switch.

Measure resistance between terminals on the control switch when each function switch is ON. (switch is depressed).

Function switch	Terminal	Resistance (± 5%)
CANCEL	2 - 5	330Ω
SET (-)	2 - 5	550Ω
RES (+)	2 - 5	880Ω
CRUISE	2 - 5	1.44 kΩ
SCC	3 - 5	5.54 kΩ

3.	If not within specification, replace switch.

Smart Cruise Control (SCC) Switch. Schematic diagrams

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Rear Corner Radar System

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