Kia Niro: Hybrid Control System / Description and operation

Hybrid Electric Vehicle (HEV)
Hybrid Electric Vehicle (HEV) uses a hybrid power source in the form of combination of combustion engine and electric motor. This will increase the fuel efficiency and emit less harmful exhaust emissions over conventional vehicles with combustion engine system.
In Electric Vehicle (EV) mode, the HEV is driven by only the electric motor, but engine supports the motor in case the vehicle needs more power (HEV Mode).
The electric motor not only drives the vehicle but also generates electric energy during regenerative braking for charging the high voltage battery.


[HEV Operation Mode and Power Flow]

[Warning Lamp]

Items
Description
Related Control Module
1. MIL Lamp

Lamp ON : Engine Management System (EMS) fault


2. Service Lamp

Lamp ON : Hybrid related system fault


3. READY Lamp

After ignition START

Lamp ON : HEV in normal condition is ready to drive (Engine may or may not start)

Lamp OFF : HEV is not ready to drive

During driving

Lamp ON : HEV is ready to drive

Lamp Blinking : HEV in faulty condition (HEV in limited operating mode)

Lamp OFF : HEV is not ready to drive

HPCU (HCU)
4. EV MODE Lamp

Lamp ON : EV mode (Electric motor only)

Lamp OFF : HEV mode (Engine running)

HPCU (HCU)

Special service tools
Special Service Tools Tool Name / Number Illustration Description Insulated Tool Set 0K375-4U000 Use ...

Components and components location
Component Location 1. Engine 2. Hybrid Drive Motor Assembly 3. Hybrid Starter Generator (HSG) 4. Transaxle 5. High Voltage Battery System Assembly ...

Other information:

Kia Niro (DE HEV) Owners Manual: USB charger
The USB charger is designed to recharge batteries of small size electrical devices using a USB cable.The electrical devices can be recharged when the Engine Start/Stop button is in ACC/ON/START position. The battery charging state may be monitored on the electrical device. Disconnect the USB ...

Kia Niro 2017 (DE HEV) Service Manual: Input Speed Sensor Specification
Specification Item Specification Type Hall effect sensor Operating condition -22 to 257 ° F (-30 to 125 ° C) Output signal High: 11.8 - 16.8 mA Low: 5.9 ...

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