Hyundai Accent: Accelerator Position Sensor (APS). Description and Operation

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.

Installation

• Install the component with the specified torques. • ...

Accelerator Position Sensor (APS). Specifications

Specification Accelerator Position Output Voltage (V) APS1 APS2 C.T 0.7 ~ 0.8 0.275 ~ 0.475 ...

See also:

Inspection
1. Check the engine oil quality. Check the oil deterioration, entry of water, discoloring of thinning. If the quality is visibly poor, replace the oil. ...

Inspection
1. Turn ignition switch OFF. 2. Disconnect the oil temperature sensor connector. 3. Measure resistance between ...

Removal
Replacing an on/off solenoid valve (SS-A, SS-B) does not require additional hydraulic pressure adjustment; however, the hydraul ...