Hyundai Ioniq (AE): Heating, Ventilation and Air Conditioning / Air Conditioning System
- General safety information and caution
- Description and operation
- Repair procedures
- Components and components location
- Compressor oil. Repair procedures
- Refrigerant Line. Components and components location
- Refrigerant Line. Repair procedures
- Electric A/C Compressor
- Condenser. Components and components location
- Condenser. Repair procedures
- Receiver-Drier. Repair procedures
- A/C Pressure Transducer. Description and operation
- A/C Pressure Transducer. Repair procedures
- Evaporator Temperature Sensor. Description and operation
- Evaporator Temperature Sensor. Repair procedures
- In-car Sensor. Description and operation
- In-car Sensor. Repair procedures
- Photo Sensor. Description and operation
- Photo Sensor. Repair procedures
- Ambient Temperature Sensor. Description and operation
- Ambient Temperature Sensor. Components and components location
- Ambient Temperature Sensor. Repair procedures
- Auto Defogging Sensor. Description and operation
- Auto Defogging Sensor. Repair procedures
- Duct Sensor. Components and components location
- Duct Sensor. Repair procedures
TroubleshootingProblem Symptoms TableBefore replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor.
InstructionsWhen Handling Refrigerant1.R-134a, R-1234yf liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized frostbite.
Other information:
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: PTC Heater. Description and operation
DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: PTC Heater. Repair procedures
InspectionOperating Logic Test (Manual only)Inspect the PTC operation by confirmation logic as follows.1.Entering(1)Set the Floor mode and maximum heating position.(2)Turn off the blower switch.(3)Press the intake (recirculation) button 5 times or more.
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