Hyundai Ioniq: Hybrid Motor Cooling System / Description and operation

Hyundai Ioniq (AE) 2017-2024 Service Manual / Hybrid Motor System / Hybrid Motor Cooling System / Description and operation

Various devices containing semiconductor are used in HPCU.
And heat is generated when the HPCU operates.
These devices are connected to the high voltage directly and cause heat hotter than the electrical devices of an internal combustion engine.
Overheat reduces the efficiency of control devices, hindering operational control.
Also, the semiconductor elements may melt under excessive heat (The device may remain constantly turned on.)
Such overheat may become the cause of vehicle malfunction.
Hybrid Motor Cooling System Circuit

    Hybrid Motor Cooling System




    Other information:

    Hyundai Ioniq (AE) 2017-2024 Service Manual: Components and components location


    Hyundai Ioniq (AE) 2017-2024 Service Manual: High Pressure Fuel Pump. Repair procedures

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    Hybrid Vehicle Interior Overview

    Hyundai Ioniq. Hybrid Vehicle Interior Overview

    1. Door lock/unlock button
    2. Driver position memory system
    3. Side view mirror control switch
    4. Central door lock switch

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