Hyundai Sonata: Variable Intake Solenoid (VIS) Valve. Description and Operation
Description
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 |
CVVT Oil Control Valve (OCV). Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the OCV connector.
3.
Measure resistance between the ...
Variable Intake Solenoid (VIS) Valve. Specifications
Specification
Item
Specification
Coil resistance (Ω)
30.0 ~ 35.0 [20°C(68°F)]
...
See also:
Opening the trunk
• To open the trunk, press the trunk unlock button for more than 1 second on
the transmitter (or smart key), press the button on the trunk handle with the smart
key in your possession, or inse ...
Air bag - advanced supplemental restraint system
* The actual air bags in the vehicle may differ from the illustration.
(1) Driver’s front air bag
(2) Passenger’s front air bag
(3) Side impact air bag
(4) Curtain air bag
WARNING
Even in ...
Limitation of Active ECO operation
If the following conditions occur while Active ECO is operating, the system operation
is limited even though there is no change in the ECO indicator.
When the coolant temperature is low: The sys ...
