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

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Control System / High Voltage Battery Control System / Troubleshooting

Troubleshooting Flow

❮Components and components location

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 diagrams❯

Schematic Diagram

Other information:

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: PTC Heater. Description and operation

DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.

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

Other information:

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: PTC Heater. Description and operation

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Components and components location

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