Kia Niro: Hybrid Motor Cooling System / Description and operation

Description

The Hybrid Power Control Unit (HPCU) uses various semiconductors that are supplied with high voltage, hence generating more heat than engine combustion devices. Overheating can decrease the efficiency of control devices, restrict proper operation and melt semiconductors in excessive heat, causing system failure. To prevent this, the hybrid system is equipped with a separate cooling system.

Hybrid Motor Cooling System
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Radiator Components and components location
Components Location 1. Radiator 2. Drain plug 3. Radiator lower hose 4. Radiator upper hose ...

Other information:

Kia Niro (DE HEV) Owners Manual: Charging System Warning Light
This warning light illuminates: Once you set the ignition switch or Engine Start/Stop Button to the ON position. - It remains on until the engine is started. When there is a malfunction with either the alternator or electrical charging system. If there is a malfunction with either th ...

Kia Niro 2017 (DE HEV) Service Manual: Motor Temperature Sensor Repair procedures
Inspection Hybrid Drive Motor 1. Inspect the temperature sensor resistance. Item Pin Specification Remarks Resistance (temperature sensor) ...

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