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:

Fuel Pressure Control Valve. Description and Operation
Description Fuel Pressure Regulator Valve is installed on the high pressure fuel pump and controls fuel flow flowing into the injectors in accordance with the ECM signal calculated based on ...

Removal
1. Turn ignition switch OFF. 2. Pull up the lock of the HECU connector (A), and then disconnect the connector. ...

Repair procedures
On-vehicle Inpection • Check that the battery cables are connected to the correct terminals. ...