Hyundai Kona: Air Conditioning System / Evaporator Temperature Sensor Description and operation

The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC). Electrical resistivity of NTC will increase with decreasing temperature and decrease with increasing temperature.

A/C Pressure Transducer Repair procedures

Inspection 1. Measure the pressure of high pressure line by measuring voltage output between terminal "1" and "2". ...

Evaporator Temperature Sensor Repair procedures

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

Other information:

Hyundai Kona (OS) 2018-2022 Service Manual: ICM (Integrated Circuit Module) Relay Box Repair procedures
Inspection Out Side Mirror Folding Relay Check for continuity between the terminals. 1. There should be continuity between the No.9 and No.19 terminals when power and ground are connected to the No.10 and No.20 in the ICM-B. ...

Hyundai Kona (OS) 2018-2022 Service Manual: Fuel Pressure Control Valve (FPCV) Specifications
Specification Item Specification Coil Resistance (Ω) 0.5 [20°C (68°F) ...