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

Hyundai Sonata LF 2014-2019 Service Manual / Heating, Ventilation and Air Conditioning / 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

    C..

    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 not...

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    Hyundai Sonata LF 2014-2019 Service Manual: Specifications


    Specifications ItemSpecificationMaster cylinderTypeSingleI.D. mm(in)NON EPB ?22.22mmEPB?23.81mmPiston stroke mm(in)45±1mm(1.77±0.039in)Fluid level sensorProvidedBrake booster?Type11" SingleBoosting ratio9:01Front disc brakeTypeVentilated discDisc O...

    Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Sensor (FPS) Description and Operation


    Description The fuel pressure sensor (FPS) is installed on the top of the low pressure fuel pump and measures the pressure in the low pressure fuel line. Based on the fuel pressure measured by the FPS and the amount of fuel consumed, the fuel pump control module (FPCM) determines whether to activate the low pressure fuel pump...

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