Kia Sportage: 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
|
OFF
|
Increasing engine performance in low engine speed by reducing intake interference
among cylinders
|
Low / High speed
|
ON
|
Minimizing intake resistance by shortening intake manifold length and increasing
area of air entrance
|

Components
1. Variable Intake Solenoid (VIS)
Valve
2. Variable Intake Solenoid (VIS) Actuator
3. Variable Intake Solenoid (VIS)
Flap
4. Vacuum Hose ...
Circuit Diagram
Harnness Connector
...
Other information:
This warning light is to warn the driver the road may be icy.
When the following conditions occur, the warning light (including Outside Temperature
Gauge) blinks 5 times and then illuminates, and also warning chime sounds once.
- The temperature on the Outside Temperature Gauge is below approx ...
If the vehicle detected by sensors approaches your vehicle, the warning
chime will sound and the warning light will blink on the outside rearview mirror.
If the detected object is not in your way, move the vehicle away from
the detected object slowly; and the warning will cancel onc ...