Hyundai Ioniq (AE): Body Electrical System / Button Engine Start System

Inspection1.Disconnect the negative (-) battery terminal.2.Remove the crash pad lower panel (A).(Refer to Body - "Crash Pad Lower Panel")3.Disconnect the rheostat switch connector (A).

Component Location1. Smart key unit2. Body control module (BCM)3. Interior antenna 14. Interior antenna 25. FOB Key6. Start Stop Button (SSB)7.Door handle & Door antenna8.

Other information:

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Ambient Temperature Sensor. Repair procedures

Inspection1.Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.1. Ambient Sensor (+)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance between terminal 1 and 2 (

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Auto Defoging Actuator. Repair procedures

Inspection1.Turn the ignition switch OFF. 2.Disconnect the auto defogging connector. 3.Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 4. Verify that the auto defogging actuator operates to the close position when connected in reverse.

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