Hyundai Venue: 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 ignition switch OFF.
2.
Disconnect OCV connector.
3.
Measure resistance between OCV terminals 1 and 2...
Other information:
..
Battery saver function
The purpose of this feature is to prevent the battery from being discharged.
The system automatically turns off the parking lamp when the driver turns the vehicle
off and opens the driver-side door.
With this feature, the parking lamps will turn off automatically if the driver
parks on the side of road at night...
Categories
Vehicle Identification Number (vin)

Frame number
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