Hyundai Elantra: Engine Control System / Accelerator Position Sensor (APS) Description and Operation

Hyundai Elantra AD (2016-2020) 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.

Heated Oxygen Sensor (HO2S) Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 2 and 5 [B1/S1]. Measure resistance between the HO2S termina ...

Accelerator Position Sensor (APS) Specifications

Specification AcceleratorPositionOutput Voltage (V)APS1APS2C.T0.7 ~ 0.80.325 ~ 0.425W.O.T3.98 ~ 4.221.93 ~ 2.17 ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Brake Booster Components and Components Location
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Hyundai Elantra AD (2016-2020) Owners Manual: Sunglass Holder
To open: Push and release the cover and the holder will slowly open. Place your sunglasses in the compartment door with the lenses facing out. To close: Push back into position. Make sure the sunglass holder is closed while driving. WARNING Do not keep objects except sunglasses inside th ...