KIA Niro: Hybrid Motor Cooling System

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Hybrid Motor System / Hybrid Motor Cooling System

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.

Component location

Component location

  1. HPCU (Hybrid Power Control Unit) (LDC+MCU+HCU+Reservoir)
  2. Hybrid drive motor
  3. Hybrid starter generator (HSG)
  4. Electrical radiator
  5. Electric water pump (EWP)

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 Radiator Repair procedures

Removal Disconnect the negative (-) cable of the 12V battery. Remove the under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover") Drain the coolant of hybrid motor cooling system. (Refer to Hybrid Motor Cooli

 Electric Water Pump (EWP) Repair procedures | Reservoir

Removal Disconnect the negative (-) cable of the 12V battery. Remove the under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover") Drain the coolant of hybrid motor cooling system.  

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 Air Ventilation Seat

Air Ventilation Seat Components and components location Ventilation seat blower Ventilation seat unit (Assist seat only) Circuit Diagram Removal Ventilation Blower Disconnect the negative (-) battery terminal. Remove the fron

 Service Data

Ignition System Ignition Coil Spark Plug Charging System Battery CMF45L-DIN Warning Model type description Cold Cranking Ampere (CCA): Cold Cranking Amps is a rating used in the battery industry to define a battery's a

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