Hyundai Ioniq: Rear Corner Radar System / Rear Corner Safety ON/OFF Switch. Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Advanced Driver Assistance System (ADAS) / Rear Corner Radar System / Rear Corner Safety ON/OFF Switch. Repair procedures

Inspection

1.	Disconnect the negative (-) battery terminal.

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

3.	Remove the lower crash pad switch assembly (A) after disengaging the mounting clip.

4.	Remove the rheostat switch connector (A).

5.	Check for intensity of new rheostat switch. If the light intensity of the lamps changes smoothly without any flickering when the rheostat is turned, it can be assumed that the rheostat is normal.

Rear Corner Safety ON/OFF Switch. Components and components location

C..

Warning Indicator. Components and components location

C..

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Brake Switch. Description and operation

D..

Hyundai Ioniq (AE) 2017-2025 Service Manual: Description and operation

DescriptionIn ordinary cars, the mechanical water pump mounted on the engine for heating purposes is activated to circulate the cooling water, but in hybrid cars, AEWP is used to circulate the cooling water when the engine is not operating. Classification System Cooling water used Mechanical water pump AEWP Purpose of use Note (role of AEWP) Engine Heater WHRS While Engine is working(AEWP activated)OOOOnOffCooling engine(main function)-Heating-Exhaust heat recovery and WHRS cooling-OnFast warm -up while cooling or heating is turned onIncreased volume of cooling water circulationRight after engine is turned off(EWP working)XOOOffOnHeatingIn the EV mode, the cooling water is circulated towards the heater...