Hyundai Ioniq (AE): Air Conditioning System / Components and components location

Component Location Index
Engine Room

1. Expansion valve
2. Service port (Low pressure)
3. Service port (High pressure)
4. Discharge hose

5. Suction & Liquid tube assembly
6. Electric A/C compressor
7. Condenser


[Interior]

1. Auto defogging sensor
2. Photo sensor
3. Heater & A/C control unit
4. Heater & Blower unit

    Refrigerant System Service BasicsRefrigerant Identification• Do not mix HFO-1234yf (R-1234yf) in the vehicle with other refrigerant, such as R-12, R-134a and etc.

    Oil Specification1.The HFC-134a system requires synthetic (POE) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.

    Other information:

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

    Inspection    â€¢ Before measuring the pressure of the refriferant line, check whether the refrigerant amount is charged in accordance with the specified charging amount.(Refer to Heating, Ventilation, Air Conditioning - "Specifications")1.

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

    DescriptionThe In-car air temperature sensor is built in the heater & A/C control unit.The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and according to this signal the contr

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