Hyundai Sonata: 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 ...

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 ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Heater Core Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. After loosening the bolts remove the main crash pad and cowl cross bar assembly together. (Refer to Heater -"Heater Unit") 3. Remove the heater core cover (A) after loosening the mounting screws. 4. Pull out the heater ...

Hyundai Sonata LF 2014-2019 Owners Manual: Engine Oil
Checking the Engine Oil Level 1. Follow all of the oil manufacturer’s precautions. 2. Be sure the vehicle is on level ground in P (Park) with the parking brake set and the wheels blocked. 3. Turn the engine on and allow the engine to reach normal operating temperature. 4. Turn the engine off and ...