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:
With manual transaxle
To start the engine, depress the clutch pedal and brake pedal, then press the
engine start/stop button with the shift lever in the N (Neutral) position.
With automatic transaxle / Dual clutch transmission
To start the engine, depress the brake pedal and press the engine start ...
WARNING - Hot liquids
Do not place uncovered cups of hot liquid in the cup holder while the
vehicle is in motion. If the hot liquid spills, you may burn yourself. Such
a burn to the driver could lead to loss of control of the vehicle.
To reduce the risk of personal injury in the event of sudd ...