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: Duct Sensor. Repair procedures

    Inspection1.Check that the voltage values of No. 1, 2 duct sensors change1. Sensor (+ 5V)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance (kΩ) Voltage (V) 50 (122)1.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures

    Service Point Target Auto Calibration (SPTAC)When you need calibration :– Front view camera is removed and mounted– Replace front view camera with a new one – Windshield glass changed– Front view camera coupler of the windshield glass is deformedService Point T

    Categories

     
    Copyright © 2026 www.hioniqae.com - 0.0171