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

Hyundai Elantra AD (2016-2020) 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.

Receiver-Drier Repair procedures

Replacement 1. Remove the condenser. 2. Remove the cap (A) on the bottom of the condenser with a L wrench. Tightening torque : 9.81 ~ 14.71 N.m (1.0 ~ 1.5 kgf.m, 7.2 ~ 10.8 lb-ft) ...

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 v ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Engine Compartment
■ 1.6 T-GDI ■ 2.0 MPI 1. Engine oil filler cap 2. Engine oil dipstick 3. Brake/Clutch fluid reservoir 4. Positive battery terminal 5. Negative battery terminal 6. Fuse box 7. Air cleaner 8. Engine coolant reservoir 9. Windshield washer fluid reservoir The actual engine compartment ...

Hyundai Elantra AD (2016-2020) Service Manual: Engine Control Module (ECM) Schematic Diagrams
ECM Terminal And Input/Output signal Harness Connector ECM Terminal Function Connector [C300-A] Pin No.DescriptionConnected to1- 2ETC Motor [+] control outputETC Motor3- 4Motor [-] control outputVariable Charge Motion Actuator (VCMA)5- 6- 7- 8- 9- 10Clutch switch signal input [M/T]Clutch s ...