Hyundai i-30: Engine Control System / Accelerator Position Sensor (APS)

Hyundai i30 (PD) 2018-2024 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.

Specifications
Specification
Accelerator Position
Output Voltage (V)
APS1
APS2
C.T
0.7 - 0.8
0.325 - 0.425
W.O.T
3.98 - 4.22
1.93 - 2.17

Schematic diagrams
Circuit Diagram

Harness Connector

Repair procedures
Inspection
1.
Connect the diagnostic tool to the Data Link Connector (DLC).
2.
Turn the ignition switch ON.
3.
Measure the output voltage of the APS 3 and 6 at C.T and W.O.T.
Specification : Refer to "Specification"

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