Hyundai Elantra: Air Conditioning System / A/C Pressure Transducer Description and Operation
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.
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)
...
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) Service Manual: Description and Operation
Description
The charging system included a battery, an alternator with a built-in regulator, and the charging indicator light and wire.
The Alternator has eight built-in diodes, each rectifying AC current to DC current.
Therefore, DC current appears at alternator "B" terminal.
In addition, the ...
Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Service Point Target Auto Calibration (SPTAC)
This procedure provides a way to calibrate the camera by
having the service technician align the car to a well lit simulated
straight road target; preferably wall mounted.
The LKAS camera will have a "System Out of Calibration" DTC set if not ope ...