Hyundai Ioniq (AE): High Voltage Battery Control System / Troubleshooting

Troubleshooting Flow

    Component Location1. BMS ECU2. Power Relay Assembly (PRA)3. Safety Plug4. Battery Temperature Sensor5. Battery Ambient Sensor    â€¢ Main Relays (Positive, Negative), Pre-Charge Relay, Pre-Charge Resistor, and Battery Current Sensor are integrated into the PRA.

    Schematic Diagram

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Mode Control Actuator. Description and operation

    DescriptionThe mode control actuator is located at the heater unit.It adjusts the position of the mode door by operating the mode control actuator based on the signal of the A/C control unit. Pressing the mode select switch makes the mode control actuator shift in order of Vent → Bi-Level → Floor → Mix.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Parking Distance Warning (PDW) Sensor. Repair procedures

    Removal1.Disconnect the negative (-) battery terminal.2.Remove the front / rear bumper cover.(Refer to Body - "Front Bumper Cover")(Refer to Body - "Rear Bumper Cover")3.Disconnect the connector (A) from the parking assist sensor.4.Remove the sensor (A) by pulling out both ends of the sensor holder.

    Categories

     
    Copyright © 2026 www.hioniqae.com - 0.0125