Kia Carens: Air conditioning System / A/C Pressure Transducer Description and operation
The A/C Pressure Transducer (APT) converts the pressure value of high pressure
line into voltage value after measuring it. By converted voltage value, engine
ECU controls the cooling fan by operating it high speed or low speed. Engine
ECU stops the operation of the compressor when the temperature of refrigerant
line is very high or very low irregularly to optimize air conditioning system.

Replacement
1.
Remove the condenser.
2.
Remove the cap (B) on the bottom of the condenser with a L wrench (A).
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Inspection
1.
Measure the pressure of high pressure line by measuring voltage output
between terminal “1” and “2”.
2.
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Other information:
Removal
1.
Disconnect the battery negative terminal.
2.
Loosen the mounting bolts (A) and then, turn the adjusting bolt (B)
clockwise to loosen tension.
3.
Remove the drive belt (A).
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Components Location
[Fuel tank assembly]
1. Fuel tank
2. Fuel pump
3. Fuel filter
4. Fuel pressure regulator
5. Canister
6. Fuel tank band
7. Ventilation hose
8. Vapor tube
9. Fuel filler hose
10. Leveling hose
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