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:
Components and Components Location
Component Location
1. Horn switch
2. Horn relay (Engine room compartment)
3. Horn
4. Clock spring
...
Special Service Tools
Special Service Tools
Tools
(Number and Name)
Illustration
Use
09411-1P000
Clutch disc guide
Installation of the ...
Body Control Module (BCM). Components and Components Location
Components
...