Hyundai Sonata LF: Engine Control System / Accelerator Position Sensor (APS) Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / Accelerator Position Sensor (APS) Description and Operation

Description
Accelerator Position Sensor (APS) is installed on the accelerator pedal module and detects the rotation angle of the accelerator pedal. The APS is one of the most important sensors in engine control system, so it consists of the two sensors which adapt individual sensor power and ground line. The second sensor monitors the first sensor and its output voltage is half of the first one. If the ratio of the sensor 1 and 2 is out of the range (approximately 1/2), the diagnostic system judges that it is abnormal.

    Rail Pressure Sensor (RPS) Repair procedures

    Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the RPS at idle and various engine speed. ConditionOutput Voltage (V)Idle Approx...

    Accelerator Position Sensor (APS) Specifications

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


    Replacement 1. Remove the tire. (Refer to Tires/Wheels - "Tire") 2. Remove the screw with torx driver (A).     • When installing the bead brake, make sure that it does not come in contact with the TPMS sensor. • Be careful not to damage the TPMS sensor when installing the bead brake near the TPMS sensor...

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


    Special Service Tools Tool (Number and name)IllustrationUse09373-27000Alternator pulley remover wrenchRemoval and installation of alternator pulley 09964-C1100SCC reflectorReflector to align the SCC radar09964-C1200Calibration beamLaser to detect the center of the vehicle...

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