Kia Carens: Engine Control System / Variable Intake Solenoid (VIS) Valve Description and operation
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 condition
|
VIS valve
|
Operation
|
Medium speed
|
Closed
|
Increasing engine performance in low engine speed by reducing intake interference
among cylinders
|
Low / High speed
|
Open
|
Minimizing intake resistance by shortening intake manifold length and increasing
area of air entrance
|

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the OCV connector.
3.
Measure resistance betwee ...
Specification
Item
Specification
Coil resistance (Ω)
30.0 ~ 35.0 [20°C(68°F)]
...
Other information:
Specifications
Items
Specification
Hood
Type
Rear hinged, Front opening type, Stay type
Front Door
Construction
Front hinged, frame door construction
Regulat ...
If towing is necessary, we recommend you to have it done by an authorized Kia
dealer or a commercial tow truck service.
If towing service is not available in an emergency, your vehicle may be temporarily
towed using a cable or chain secured to the emergency towing hook under the front
(or rear) ...