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:
Description
The ECM (Electro Chromatic inside rear view Mirror) is for dimming the reflecting
light from a vehicle behind at night, Preventing glare from the light. The forward
facing sensor detects brightness of the surroundings, while the rearward looking
sensor detects the strength of the reflecting light and adjusts the reflexibility
of the mirror in the range of 7 - 85%...
Before Entering the Vehicle
Be sure all windows, outside mirror(s), and outside lights are clean and
unobstructed.
Remove frost, snow, or ice.
Visually check the tires for uneven wear and damage.
Check under the vehicle for any sign of leaks...
Categories
Vehicle Identification Number (vin)

Frame number
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