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Hyundai Tucson: Accelerator Position Sensor (APS)

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Control - Fuel System / Accelerator Position Sensor (APS)

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.

Specification

Specification

Circuit Diagram

Circuit Diagram

Harness Connector

Harness Connector

Inspection

Inspection

Connect the diagnostic tool on the Data Link Connector (DLC).
Switch "ON" the ignition.
Measure the output voltage of the APS 3 and 6 at C.T and W.O.T.

Specification : Refer to "Specification"

Oil Temperature Sensor (OTS)

Description It generates the oil pressure and temperature information (output voltage) to control the pump operation proportional control valve in variable oil pump system. It measures the oil pressure and temperature discharged from the oil p

Rail Pressure Sensor (RPS)

Description Installed on the delivery pipe, the Rail Pressure Sensor (RPS) measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in the sensor converts the pressure to voltage signal.

Injector

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Reverse Parking Distance Warning (PDW)

Reverse Parking Distance Warning will help warn the driver if an obstacle is detected within a certain distance when the vehicle is moving in reverse at low speeds. Detecting sensor [2] : Rear ultrasonic sensors Refer to the picture above

Inside rear view mirror

Component Location Inside rear view mirror Replacement WARNING When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. Put on gloves to prevent hand injuries.