Hyundai Ioniq (AE): Air Conditioning System / Components and components location
| Component Location Index |
| 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 |
| 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 • 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: High voltage shut-off procedures
High Voltage Shut-off Procedures • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.
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