Kia Sportage: Air conditioning System / Evaporator Temperature Sensor Description and operation
The evaporator temperature sensor detects the evaporator core temperature and
interrupts compressor relay power in order to prevent evaporator from freezing
by excessive cooling.

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Recover the refrigerant with a recovery/recycling/charging station.
...
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the evaporator temperature sensor connector.
3.
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Other information:
- The radar or the camera is contaminated with foreign substances.
- It heavily rains or snows.
- There is electromagnetic interference.
- Something in the path of travel deflects the radar waves.
- The vehicle is in a construction area or near a rail road and certain metal objects
are on the ...
Components
Connector Pin Information
No.
Connector A
Connector B
Connector C
1
Battery (+)
IGN2 relay_output
Immoblizer antenna power_output
2
...