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: Blower Unit Components and Components Location
Component Location 1. Blower unit assembly Components 1. Intake actuator2. Intake case [LH]3. Intake door assembly4. Air filter5. Filter cover assembly6. Intake inlet seal 7. Intake case [RH]8. Intake outlet seal 9. Blower upper cover10. Blower unit pad11. Blower lower case12. Resistor13 ...

Hyundai Sonata LF 2014-2019 Owners Manual: Gauges
Speedometer The speedometer indicates the speed of the vehicle and is calibrated in miles per hour (mph) and/or kilometers per hour (km/h). Tachometer The tachometer indicates the approximate number of engine revolutions per minute (rpm). Use the tachometer to select the correct shift points and ...