Hyundai Ioniq: Hybrid System Overview / HEV (Hybrid Electric Vehicle) System
Hybrid Vehicle
The HYUNDAI Hybrid Electric Vehicle (HEV) uses both the gasoline engine and the electric motor for power. The electric motor is run by a high-voltage HEV battery.
Depending on the driving conditions, the HEV computer selectively operates between the engine and the electric motor or even both at the same time.
Fuel efficiency increases when the engine is off at idle, or when the vehicle is driven by the electric motor with the HEV battery.
The HEV battery charge must be maintained, so at times the engine will come on even at idle to act as a generator. Charging also occurs when decelerating or by regenerative braking.
PHEV (Plug-in Electric Vehicle) System
Plug-in Hybrid Vehicle
The HYUNDAI Plug-in Hybrid Electric Vehicle (PHEV) shares the characteristics
of both a conventional hybrid electric vehicle and an all-electric vehicle...
Other information:
Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Immobilizer System
The immobilizer system helps protects your vehicle from theft. If an improperly coded key (or other device) is used, the engine's fuel system is disabled. When the Engine Start/Stop button is placed in the ON position, the immobilizer system indicator should come on briefly, then go off...
Hyundai Ioniq (AE) 2017-2025 Service Manual: Schematic diagrams
System Block DiagramComponent Parts and Function Outline Component part Function Vehicle-speed sensor, ESP/ABS Control ModuleConverts vehicle speed to pulse.VCUReceives signals from sensor and control switches...
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Hybrid Vehicle Engine Compartment
1. Engine oil filler cap
2. Engine oil dipstick
3. Engine coolant cap
4. Engine coolant reservoir
5. Inverter coolant reservoir
