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 indicator light illuminates:
• When the vehicle detects the immobilizer in your key properly while the ignition
switch is ON.
- At this time, you can start the engine.
- The indicator light goes off after starting the engine.
This indicator light blinks:
• When there is a malfuncti ...
Specifications
Description
Specifications
Limit
General
Type
In-line, DOHC
Number of cylinders
4
Bore
88 mm ...