Hyundai Sonata: 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.

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 ...
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: Tire Repair procedures
•
Using tires and wheel other than the recommended sizes could
cause unusual handling characteristics and poor vehicle control,
resulting in a serious accident.
Tire Wear
1.
Measure the tread depth of the tires.
Tread depth [limit] : 1.6 mm (0.0630 in.)
...
Hyundai Sonata LF 2014-2019 Owners Manual: System malfunction
When the AEB is not working properly, the AEB warning light ()
will illuminate and the warning message will appear for a few seconds. After
the message disappears, the master warning light ()
will illuminate. In this case, have the vehicle inspected by an authorized HYUNDAI
dealer.
The A ...