Hyundai Sonata LF: Air Conditioning System / Evaporator Temperature Sensor Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Evaporator Temperature Sensor Description and Operation

Description

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". 2. Inspect the voltage value whether it is sufficient to be regular value or not...

Evaporator Temperature Sensor Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the evaporator temperature sensor connector. 3. Measure the resistance between terminal "+" and "-" of the evaporator temperature sensor...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Water pump Repair procedures

Removal 1. Loosen the drain plug (A), and drain the engine coolant. Remove the radiator cap to drain with speed. System is under high pressure when the engine is hot.To avoid danger of releasing scalding engine coolant, remove the cap only when the engine is cool...

Hyundai Sonata LF 2014-2019 Service Manual: Parking Assist Sensor Repair procedures