Hyundai Kona: Air Conditioning System / In-car Sensor Description and operation

The 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 control unit regulates in-car temperature to intended value.

Evaporator Temperature Sensor Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the evaporator temperature sensor connector. ...

In-car Sensor Repair procedures

Diagnosis With GDS 1. The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS). ...

Other information:

Hyundai Kona (OS) 2018-2022 Owners Manual: Air intake control (7)
This is used to select outside (fresh) air position or recirculated air position. To change the air intake control position, press the control button. Recirculated air position With the recirculated air position selected, air from the passenger compartment will be drawn through the heating system ...

Hyundai Kona (OS) 2018-2022 Service Manual: Troubleshooting
Troubleshooting Problem Symptoms Table Use the table below to help you find the cause of the problem. The numbers indicate the priority of the like cause of the problem. Check each part in order. If necessary, replace these parts. Symptom ...