Kia Sedona: Variable Intake Solenoid (VIS) Valve Description and Operation
Third generation YP (2014-2026) / 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
...
Other Information:
Windshield Deicer Repair procedures
Inspection
1.
Remove the cowl top cover.
(Refer to Body - "Cowl Top Cover")
2.
Disconnect the windshield deicer connector (A).
3.
Check for continuity between the terminals of deicer line ...
Multimedia Jack Description and Operation
Description
The multimedia jack on the console upper cover is for
customers who like to listen to external portable music players like the
MP3 etc., through the vehicle''s sound system when it ...
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