KIA Niro: Hybrid Motor Control System
Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Service Highlight / Hybrid Motor Control System
Description
- The Hybrid Power Control Unit (HPCU), composed of various components, is the core device among the Power Electronics devices that acts as the brain.
- It comprises of the Hybrid Control Unit (HCU), an inverter Motor Control Unit (MCU), the Generator Control Unit (GCU)) and the Low-voltage DC-DC Converter (LDC).
Repalcement
- Replace the HPCU.
(Refer to Hybrid Control System- "Hybrid Power Control Unit ")
Resolver Sensor Description and operation
Description
The accurate position of the rotor must be known at all times to ensure maximum output control of the motor.
Part Circuit Diagram
Hybrid Drive Motor
HSG
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Resolver Sensor Repair procedures | Motor Temperature Sensor Repair procedures
Inspection
Hybrid Drive Motor
Inspect the resolver sensor resistance.
If the resolver sensor needs to be replaced, replace the hybrid drive motor assembly.
(Refer to Hybrid Motor Assembly - "Hybrid Drive M
SEE MORE:
Power Relay Assembly (PRA)
PRA Operation Sequence
Description
The Power Relay Assembly (PRA) consists of the positive and negative main
relays, pre-charge relay, pre-charge resistor and
battery current sensor. It is located inside the battery pack assembly and
controls
Warning and indicator lights (Kia Niro EV)
Once you set the vehicle to the ON position, the symbols shown below will
light up. If these symbols remain on or malfunction, we
recommend having the vehicle inspected by an authorized Kia dealer/service
partner.
The information provided may
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