Hyundai Ioniq: Hybrid Control System
Hyundai Ioniq (AE) 2017-2025 Service Manual / Hybrid Control System
- General safety information and caution
- High voltage shut-off procedures
- High voltage battery handling guide
- Inspection mode procedures
- Description and operation
- Specifications
- Special service tools
- Components and components location
- Troubleshooting
- Hybrid Control System
- Description and operation
- Specifications
- Components and components location
- HPCU (Hybrid Power Control Unit). Description and operation
- HPCU (Hybrid Power Control Unit). Components and components location
- HPCU (Hybrid Power Control Unit). Repair procedures
- HCU (Hybrid Control Unit). Schematic diagrams
- HCU (Hybrid Control Unit). Repair procedures
- Brake Switch. Description and operation
- Brake Switch. Specifications
- Brake Switch. Schematic diagrams
- Brake Switch. Repair procedures
- DC Fuse. Specifications
- DC Fuse. Components and components location
- DC Fuse. Schematic diagrams
- DC Fuse. Repair procedures
- High Voltage Battery System
- Description and operation
- Components and components location
- Specifications
- Inspection
- Battery Pack Assembly. Repair procedures
- Sub Battery Pack Assembly (Sub-BPA). Repair procedures
- Power Relay Assembly (PRA). Description and operation
- Power Relay Assembly (PRA). Repair procedures
- Battery Fuse Box
- Case. Repair procedures
- 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
- High Voltage Battery Cooling System
- Components and components location
- Cooling Fan. Description and operation
- Cooling Fan. Specifications
- Cooling Fan. Components and components location
- Cooling Fan. Repair procedures
- Cooling Duct. Repair procedures
- Low Voltage DC/DC Converter (LDC)
- Description and operation
- Specifications
- Components and components location
- Schematic diagrams
- Repair procedures
- Power Cable
General information
General Service Information Protection of the Vehicle Always be sure to cover fenders, seats, and floor areas before starting work.
•
The support rod must be inserted into the hole near the edge of the hood whenever you inspect the engine compartment to prevent the hood from falling and causing possible injury...
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...
Other information:
Hyundai Ioniq (AE) 2017-2025 Service Manual: Battery Temperature Sensor. Repair procedures
Removal • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...
Hyundai Ioniq (AE) 2017-2025 Service Manual: Fuel Tank. Repair procedures
Removal1.Turn the ignition switch OFF and disconnect the battery negative (-) cable.2.Remove the rear seat cushion. (Refer to Body - "Rear Seat Assembly")3.Remove the fuel pump service cover (A). • When reinstalling a protective cover for a fuel pump, remove the existing butyl tape and apply a new one...
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Driver Position Memory System
The Driver Position Memory System is provided to store and recall the following memory settings with a simple button operation.
- Driver's seat position
- Side view mirror position
- Instrument panel illumination intensity
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