Hyundai Sonata: 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. ...
Accelerator Position Sensor (APS). Specifications
Specification
Accelerator
Position
Output Voltage (V)
APS1
APS2
C.T
0.7 ~ 0.8
0.29 ~ 0.46
...
See also:
Compass function
The Compass can be turned ON and OFF and will remember the last state when the
ignition is cycled. To turn the display feature ON/OFF:
1. Press and release the button within 1 second to turn the di ...
Description and Operation
Cruise Control
The cruise control system is engaged by the cruise "ON/OFF" main switch
located on right of steering wheel column. The system has the capability to
cruise, coast, ac ...
Description and Operation
Description
EPS (Electric power steering, Column assist type) system uses an electric
motor to assist the steering force and it is an engine operation independent
steering system.
EPS ...
