SpecificationsHyundai Elantra AD (2016-2020) Service Manual: Knee Airbag (KAB) Module Components and Components Location
Components
1. Knee Airbag (KAB)
...
Hyundai 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 ...