Hyundai Ioniq: Body Electrical System / Head Lamp Leveling Device

Auto Light Sensor. Repair procedures

InspectionCheck if the auto light control operates like a timing chart shown below. Tail lamp output and head lamp (Low) output is controlled based on the auto light sensor's input (illumination intensity) when the Auto Light Switch in Multi-Function Switch is turned ON, and the vehicle is in IGN1 or IGN2 ON Mode...

Components and components location

C..

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Repair procedures

Removal    • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Repair procedures

Removal1.Disconnect the negative (-) battery terminal.2.Remove the glove box.(Refer to Body - "Glove Box Upper Cover Assembly")3.Remove the smart key unit.(Refer to Body - "Smart Key Unit")4.Disconnect the body control module connectors (B).5.Remove the body control module (A) after loosening the mounting nuts...