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:
Ventilation
1.Set the mode to the position.
2.Set the air intake control to the outside (fresh) air position.
3.Set the temperature control to the desired position.
4.Set the fan speed control to the desired speed.
Heating
1.Set the mode to the position.
2.Set the air intake control to the ...
Replacement
Put on gloves to protect your hands.
•
Use a plastic panel removal tool to remove inter ...