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) Owners Manual: System Setting and Operation
System setting To turn ON the Driver Attention Warning (DAW) system, turn on the engine, and then select 'User Settings → Driver Assistance → Driver Attention Warning → High sensitivity/Normal sensitivity/Off' The driver can select the mode of the Driver Attention Warning ( ...

Hyundai Elantra AD (2016-2020) Service Manual: Front Door Latch Repair procedures
Replacement 1. Remove the front door module. (Refer to Front Door - "Front Door Module") 2. Remove the front door inside handle cage (A). 3. Disconnect the front door latch connector (A). 4. Remove the front door latch assembly (A) by pulling it in the direction of the arrow. 5. ...