| Specification |
| Accelerator Position | Output Voltage (V) | |
| APS1 | APS2 | |
| C.T | 0.7 ~ 0.8 | 0.325 ~ 0.425 |
| W.O.T | 3.98 ~ 4.22 | 1.93 ~ 2.17 |

Accelerator Position Sensor (APS) Description and Operation
Accelerator Position Sensor (APS) Schematic DiagramsHyundai Elantra AD (2016-2020) Service Manual: Variable Intake Solenoid (VIS) Valve Description and Operation
Description
Variable Intake manifold Solenoid (VIS) valve is installed on
the intake manifold. The VIS valve controls the vacuum modulator which
activates a valve in the intake manifold. The ECM opens or closes this
valve according to engine condition (Refer to below table).
Engine cond ...
Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Description
The Evaporative Emission Control System prevents fuel vapor
stored in fuel tank from vaporizing into the atmosphere. When the fuel
evaporates in the fuel tank, the vapor passes through vent hoses or
tubes to a canister filled with charcoal.
The canister temporarily holds the v ...