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: In-car Sensor. Description and operation

    DescriptionThe In-car air temperature sensor is built in the heater & A/C control unit.The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and according to this signal the contr

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

    Diagnosis with GDS1.REAR CORENER RADAR system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis.2.Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.

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