Hyundai Ioniq: Advanced Driver Assistance System (ADAS) / Cruise Control System

Repair procedures

Removal1.Disconnect the negative (-) battery terminal.2.Remove the tailgate lid trim.(Refer to Body - "TailGate Lid Trim")3.Disconnect the Rear view camera connector (A)...

Description and operation

Cruise ControlThe cruise control system is engaged by the cruise "ON/OFF" main switch located on right of steering wheel column. The system has the capability to cruise, coast, accelerate and resume speed...

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 Owner's Manual: Limitations of the System

The Forward Collision-Avoidance Assist (FCA) system is designed to help monitor the vehicle ahead or a pedestrian in the roadway through radar signals and camera recognition to warn the driver that a collision is imminent, and if necessary, apply emergency braking...