Hyundai Genesis: 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 due to excessive cooling.

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 the regular value or not. ...
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the evaporator temperature sensor connector.
3.
Measure the resistance between terminal “+” and “-” of the evaporator temp ...
Other information:
Replacement
1.
Remove the front bumper.
(Refer to Front bumper - "Front bumper cover")
2.
Remove the active air flap (AAF).
(Refer to Engine Mechanical System - "Active Air Flap(AAF)")
3.
Disconnect the connector (A), then remove the wiring fastener.
4.
Remove the hood latch (A) mo ...
Component Location
1. Rear seat belt retractor [LH]2. Rear seat belt retractor [RH]
...