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: Oil Pump Repair procedures

Removal and Installation 1. Remove the timing chain cover. (Refer to Timing System - "Timing Chain Cover") 2. Remove the pump cover (A). Tightening torque : 8.8 ~ 13.7N.m (0.9 ~ 1.4kgf.m, 6.5 ~ 10.1 lb-ft) 3. Remove the inner rotor (B) and outer rotor (C)...

Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools