Hyundai Ioniq: Heater / PTC Heater. Description and operation

Hyundai Ioniq (AE) 2017-2025 Service Manual / Heating, Ventilation and Air Conditioning / Heater / PTC Heater. Description and operation

Description

The 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. The electric heater heats up the interior by directly heating the air that passes through the heater. The name itself implies that the element has a proportional resistance change sensitive to temperature.

Heater Core. Repair procedures

Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3.Loosen the mounting screws and remove the driver's temperature control actuator (A)...

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...

Other information:

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Checking the tire inflation pressure

1. After driving approximately 4~6 miles (7~10 km or about 10 minutes), stop at a safe location. 2. Connect the filling hose (3) directly into the compressor. 3. Connect the other end of the filling hose (3) directly into the tire valve. 4. Plug the compressor power cord (4) into the vehicle power outlet...

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Before Driving

Before Entering the Vehicle Be sure all windows, outside mirror( s), and outside lights are clean and unobstructed. Remove frost, snow, or ice. Visually check the tires for uneven wear and damage. Check under the vehicle for any sign of leaks. Be sure there are no obstacles behind you if you intend to back up...