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: Photo Sensor. Description and operation

    Description The photo sensor is located at the center of the defrost nozzles.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to the automatic temperature control

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures

    Self Diagnosis1.Self-diagnosis process.    â€¢ When operating the self-diagnostics, the below fault (self-diagnostics code) will blink at 0.5 seconds interval on the temperature display settings (driver's side only) and the remaining symbols are OFF .

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