Hyundai Ioniq (AE): 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.

    Circuit Diagram

    Components1. Warning Indicator2. Side repeater lamp3. Puddle lamp

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Schematic diagrams

    Trouble Symptom ChartsComponent Parts and Function Outline Component part Function Cruise Control Switch Input the set speed and distance to the SCC ECU. Instrument Cluster Display various information inputted from SCC.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Troubleshooting

    Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se

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