Hyundai Sonata: 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. 1.21, ...

Accelerator Position Sensor (APS) Specifications
Specification AcceleratorPositionOutput Voltage (V)APS1APS2C.T0.7 ~ 0.80.29 ~ 0.46W.O.T3.85 ~ 4.351.93 ~ 2.18 ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components 1. Cylinder block2. Ladder frame3. Crankshaft4. Crankshaft upper bearing5. Crankshaft lower bearing6. Thrust bearing7. Main bearing cap8. External damper flywheel9. Crankshaft sproket10. Crankshaft pulley11. Water jacket insert 1. Piston ring2. Piston3. Piston pin4. Connecting r ...

Hyundai Sonata LF 2014-2019 Service Manual: Shift Lever Repair procedures
Removal 1. Disconnect a boots from the console upper cover. 2. Pull the knob (A) in the direction of "F" and remove the knob. 3. Remove the floor console assembly. (Refer to Body - "Floor Console") 4. Disconnect the connector (A) from the shift lever. 5. Disconnect the contr ...

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