Hyundai Sonata: Air Conditioning System / A/C Pressure Transducer Description and Operation

Description
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.

A/C Pressure Transducer Components and Components Location
Components Location 1. A/C Pressure Transducer ...

A/C Pressure Transducer Repair procedures
Inspection 1. Measure the pressure of high pressure line by measuring voltage output between terminal "1" and "2". 2. Inspect the voltage value whether it is sufficient to be regular value or ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components 1. Cylinder block2. Ladder frame3. Crankshaft4. Crankshaft upper bearing5. Crankshaft lower bearing6. Thrust bearing7. Main bearing cap8. External damper flywheel9. Crankshaft sproket10. Crankshaft pulley11. Water jacket insert 1. Piston ring2. Piston3. Piston pin4. Connecting r ...

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting Problem Symptoms Table Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor. Use the table below to help you find the cause of the problem. The numbers indicate the priority ...

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