Hyundai Ioniq (AE): Hybrid Control System / High Voltage Battery Control System
- Description and operation
- Specifications
- Components and components location
- Troubleshooting
- Schematic diagrams
- BMS ECU. Schematic diagrams
- BMS ECU. Repair procedures
- Safety Plug. Description and operation
- Safety Plug. Specifications
- Safety Plug. Schematic diagrams
- Safety Plug. Repair procedures
- Main Relay. Description and operation
- Main Relay. Specifications
- Main Relay. Schematic diagrams
- Main Relay. Repair procedures
- Pre Charge Relay. Description and operation
- Pre Charge Relay. Specifications
- Pre Charge Relay. Schematic diagrams
- Pre Charge Relay. Repair procedures
- Pre-Charge Resistor. Description and operation
- Pre-Charge Resistor. Specifications
- Pre-Charge Resistor. Schematic diagrams
- Pre-Charge Resistor. Repair procedures
- Battery Current Sensor. Description and operation
- Battery Current Sensor. Specifications
- Battery Current Sensor. Schematic diagrams
- Battery Current Sensor. Repair procedures
- Main Fuse. Description and operation
- Main Fuse. Specifications
- Main Fuse. Schematic diagrams
- Main Fuse. Repair procedures
- Battery Temperature Sensor. Description and operation
- Battery Temperature Sensor. Specifications
- Battery Temperature Sensor. Schematic diagrams
- Battery Temperature Sensor. Repair procedures
Removal[High Voltage Battery Front Cover]1.Shut off the high voltage.(Refer to Hybrid Control System - "High Voltage Shut-off Procedures")2.Remove the rear seat cushion.
DescriptionThe high voltage battery system consists of the BMS ECU (Battery Management System ECU), Power Relay Assembly (PRA), safety plug, battery temperature sensor, and battery ambient sensor.
Other information:
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Smart Cruise Control (SCC) Switch. Repair procedures
Removal1.Disconnect the negative (-) battery terminal.2.Remove the steering wheel assembly.(Refer to Steering System -"Steering Wheel")3.Remove the steering back cover (A).4.Remove the steering remote control connector (A).5.Remove the steering remote control (A), after loosening the screws.
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.
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