Hyundai Ioniq (AE): VESS(Virtual Engine Sound System) / Description and operation

Description
The VESS (Virtual engine sound system) generates engine sound when you start the hybrid system.
This sound is for pedestrians to hear vehicle sound because there is no engine sound in hybrid driving.
VESS operates when vehicle speed is between 0.5 - 28km/h.

    Component Location1. Virtual engine sound system unit2. Virtual engine sound speaker

    Component Location

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: A/C Pressure Transducer. Description and operation

    DescriptionThe A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed. Engine ECU stops the operation of the compressor when the temperature of refrigerant line is very high or very

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