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...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Refrigerant Line Repair procedures

Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the negative (-) battery terminal. 3. Recover the refrigerant with a recovery/charging station...

Hyundai Sonata LF 2014-2019 Service Manual: Floor Console