Hyundai Sonata: 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

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: Stop Signal Electronic Module Repair procedures
Inspection 1. Fuse inspection Mount the test fuse to the switch fuse and relay fuse part to confirm a normal joint fit. 2. Inspection of connector by each part Check to see whether or not each connector has been damaged, or terminal surge, or incomplete connection has taken place [Engine room ...

Hyundai Sonata LF 2014-2019 Service Manual: Thermostat Troubleshooting
Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • Retighten the bolts and check leakage again. Check the gasket for damage • Check gasket or seal for damage ...