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: 26 Brake Control Solenoid Valve(26/B_VFS) Description and Operation
Description • 26 brake control solenoid valve(26/B_VFS) is attached to the valve body. • This variable force solenoid valve directly controls the hydraulic pressure inside the 26Brake. ...

Hyundai Elantra AD (2016-2020) Owners Manual: Battery Recharging
WARNING Always follow these instructions when recharging your vehicle's battery to avoid the risk of SERIOUS INJURY or DEATH from explosions or acid burns: Before performing maintenance or recharging the battery, turn off all accessories and place the ignition switch to the LOCK/OFF po ...