Hyundai Sonata LF: Engine Control / Fuel System

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System

Exhaust Emission Control System

Description and Operation Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components...

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Hyundai Sonata LF 2014-2019 Service Manual: 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...

Hyundai Sonata LF 2014-2019 Service Manual: Electric Parking Brake (EPB) Description and Operation


Description The EPB is an electronic parking brake. The EPB is different from existing parking systems which operated with the brake pedal or the lever type. The EPB system sends the signal to the ECU when a driver operates the EPB switch. The ECU operates the EPB actuator composed with motor gears...

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