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.
...
Other information:
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Pull out the relay from the engine compartment relay block.
Power Relay (Type A)
Check for continuity between the terminals.
1.
Afte ...
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the left luggage side trim.
(Refer to Body - "Luggage Side Trim")
3.
Remove the burglar alarm siren (A) after disconnec ...