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 • 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: Ambient Temperature Sensor. Components and components location
C
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Heater Unit. Repair procedures
Replacement When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.1.Disconnect the negative (-) battery terminal.2.Recover the refrigerant with a recovery / recycling / charging station.
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