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: PTC Heater. Repair procedures
InspectionOperating Logic Test (Manual only)Inspect the PTC operation by confirmation logic as follows.1.Entering(1)Set the Floor mode and maximum heating position.(2)Turn off the blower switch.(3)Press the intake (recirculation) button 5 times or more.
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: General safety information and caution
Safety PrecautionPrecautions To Take Before Servicing High Voltage System • Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage.
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