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:
Troubleshooting
Troubleshooting
1.
The lamp switch inputs can be checked using the GDS.
2.
To check the input value of lamp switch, select option "Body Co ...
Specifications
Specifications
Ignition System
Items
Specifications
Ignition coil
Primary resistance
0.62 ± 10 % (Ω)
Secondary ...
Lift And Support Points
General Information
When heavy rear components such as suspension, fuel tank,
spare tire, tailgate and trunk lid are to be removed, place additional
weight in the luggage ...