Hyundai Ioniq: Lighting System / DRL(Daytime Running Lights). Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Body Electrical System / Lighting System / DRL(Daytime Running Lights). Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the front bumper. (Refer to Body - "Front Bumper Cover")

3.	Disconnect the DRL connector.

4.	Remove the bulb socket (B) and daytime running light bulb (A) from the lamp assembly.

Installation

1.	Install the DRL bulb socket.

2.	Connect the DRL assembly connector.

3.	Install the front bumper.

4.	Connect the negative (-) battery terminal.

Rheostat. Repair procedures

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

License Lamps. Repair procedures

Removal1.Disconnect the negative (-) battery terminal.2.Remove the license lamp (A) after disengaging the license lamp mounting clip (B).3.Replace the bulb (A) after removing a lens...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: HCU (Hybrid Control Unit). Schematic diagrams

HCU Terminal and Input / Output SignalTerminal FunctionConnector [C133-S] Pin No Description Connected to 1HCU GroundChassis ground2HCU GroundChassis ground3HCU GroundChassis ground4Battery power (B+)Battery5Battery power (B+)Battery6Battery power (B+)Battery7-　8-　9-　10-　11-　12-　13-　14-　15Brake Switch 2 signal inputBrake Switch (NC, IG1)16Brake Switch 1 signal inputBrake Switch (NO, B+)17-　18-　19-　20-　21-　22-　23-　24-　25-　26-　27-　28-　29-　30-　31-32-33-34-　35-　36-　37-　38Start signal inputSmart Key Unit39-　40-　41-　42-　43-　44-　45-　46-　47-　48-　49-　50-　51-　52-　53-　54-　55-　56-　57-　58-　59-　60-　61-　62-　63-　64-　65-　66-　67-　68-　69-　70-　71-　72-　73IGN signal inputSmart Key Unit74-　75-　76-　77-　78Powertrain CAN [High] signal inputOther control modules79Powertrain CAN [Low] signal inputOther control modules80-　81Hybrid CAN [High] signal inputOther control modules82Hybrid CAN [Low] signal inputOther control modules83-　84-　85-　86-　87-　88-　89-　90-　91-　92-　93-　94-　Input/Output signalConnector [C133-S] Pin no Description Condition Type Level 1HCU GroundAlwaysDC VoltageMax...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Front Wheel Guard. Repair procedures

Replacement • Put on gloves to prevent hand injuries. • When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components...