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.
...
Other information:
To operate, simply press the programmed HomeLink button. Activation will now
occur for the trained product (garage door, security system, entry door lock, estate
gate, or home or office lighting). For convenience, the hand-held transmitter of
the device may also be used at any time. The HomeLi ...
This warning message illuminates if you can not operate the Engine Start/Stop
Button when there is a problem with the Engine Start/Stop Button system.
It means that you could start the engine by pressing the Engine Start/
Stop Button once more.
If the warning illuminates each time you ...