Kia Sportage: Air conditioning System / A/C Pressure Transducer Description and operation
A/C pressure transducer converts the pressure value of high pressure line into
voltage value after measuring it. Based on the converted voltage value, engine
ECU controls cooling fan by operating it at high or low speed. Engine ECU stops
the operation of compressor when the temperature of refrigerant line is too
high or low irregularly to optimize air conditioning system.

Replacement
1.
Remove the condenser.
2.
Remove the cap (B) from the bottom of the condenser using an L wrench
(A).
...
Inspection
1.
Measure the pressure of high pressure line by measuring voltage output
between terminals “1” and “2”.
2.
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Other information:
Component Location
1. Front door trim
...
1. Open the hood.
2. Remove the bulb-socket from the headlamp assembly by turning the bulb-socket
counterclockwise until the tabs on the bulb-socket align with the slots on the headlamp
assembly.
3. Remove the bulb from the bulbsocket by pressing it in and rotating it counterclockwise
unti ...