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

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    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...

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    Hyundai Sonata LF 2014-2019 Service Manual: Heater & A/C Control Unit (Manual) Components and Components Location


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    Hyundai Sonata LF 2014-2019 Service Manual: Steering Angle Sensor Repair procedures


    Adjustment Calibration (Setting up the zero angle) Steering Wheel Angle Sensor of a absolute angle type (CAN type) measures the angle under the standard of the zero angle set. Calibration must be performed as following cases. - Replacement of the Steering Wheel Angle Speed Sensor - Replacement or repair of the Steering column - Detection of DTC codes (C1260, C1261) - Replacement of the sensor cluster - Replacement of HECU Calibration procedure Perform wheel alignment and stand the steering wheel in a line within ±5°error...

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