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 Owners Manual: Charging System Warning Light
If this warning light comes on while the engine is running, the battery is not being charged. Immediately turn off all electrical accessories. Try not to use electrically operated controls, such as the power windows. Keep the engine running; starting the engine will quickly discharge the battery ...

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location Index Engine Room [Theta 2.4 GDI] 1. Receiver-drier2. Condenser3. Service Port (High Pressure)4. Service Port (Low Pressure)5. A/C Pressure Transducer (APT)6. Compressor7. Suction & Liquid Tube Assembly8. Expansion Valve9. Ambient temperature Sensor [Gamma 1.6 T-GD ...