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: Air Cleaner
Filter Replacement ■ 1.6 T-GDI ■ 2.0 MPI The air cleaner filter can be cleaned for inspection using compressed air. Do not attempt to wash or to rinse it, as water will damage the filter. If soiled, the air cleaner filter must be replaced. 1. Loosen the air cleaner cover attaching cl ...

Hyundai Elantra AD (2016-2020) Service Manual: Seat Heater Repair procedures
Inspection Front Seat Heater 1. Check for continuity and measure the resistance between terminals No 3 and No 6. Standard value Driver / Assists (cushion + back) : 1.65?±10%/23°C 2. Operate the seat heater after connecting the connector, and then check the thermostat by measuring ...