Kia Sedona: Variable Intake Solenoid (VIS) Valve Description and Operation
Third generation YP (2014-2025) / Kia Sedona YP Service Manual / Engine Control / Fuel System / Engine Control System / Variable Intake Solenoid (VIS) Valve Description and Operation
| Description |
Variable Intake manifold Solenoid (VIS) valves are installed
on the intake manifold (VIS Valve 1) and the surge tank (VIS Valve 2).
VIS valves 1 and 2 control vacuum modulators that activate valves in the
intake manifold and the surge tank. These valves are opened or closed
by ECM according to engine condition (Refer to below table).
| Engine condition | VIS valve 1 | VIS valve 2 | Operation |
| Intake Manifold | Surge Tank | ||
| Low speed | Closed | Closed | Increasing engine performance in low engine speed by reducing intake interference among cylinders |
| Medium speed | Open or Closed | Open | Increasing intake efficiency |
| High speed | Open | Open | Minimizing intake resistance by shortening intake manifold length and increasing area of air entrance |
Variable Intake Solenoid (VIS) Valve Specifications
Specification
ItemSpecificationCoil Resistance (Ω)30.0 ~ 35.0 [20°C(68°F)]
...
Variable Intake Solenoid (VIS) Valve Schematic Diagrams
Circuit Diagram
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Other Information:
Components and Components Location
Components
1. Windshield glass 2. Windshield glass moulding
...
Emergency tailgate safety release
Your vehicle is equipped with an emergency tailgate safety release lever located
on the bottom of the tailgate. When someone is inadvertently locked in the cargo
area, the tailgate can be opened ...
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