Hyundai Ioniq (AE): Hybrid Motor Cooling System / Electric Water Pump(EWP). Components and components location

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Motor System / Hybrid Motor Cooling System / Electric Water Pump(EWP). Components and components 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)

    Description• Function : It circulates the coolant for the hybrid system (HPCU, drive motor, and HSG).• Operating Principles: When the coolant temperature exceeds the limit set in the MCU in the hybrid system, the motor control unit (MCU) sends a command to the electric water pump (EWP) through the CAN communication to operate the EWP.

    Removal1.Remove the 12 V battery (-) cable.2.Remove the undercover.(Refer to Engine Mechanical System - "Engine Room Undercover".)3.Drain the coolant from the hybrid cooling system.

    Other information:

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    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Description and operation

    DescriptionIn ordinary cars, the mechanical water pump mounted on the engine for heating purposes is activated to circulate the cooling water, but in hybrid cars, AEWP is used to circulate the cooling water when the engine is not operating. Classification System Cooling water used

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