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:
Timing Chain. Repair procedures
Removal
•
Use fender covers to avoid damaging painted
surfaces.
...
Instrument panel overview
1. Instrument cluster
2. Light control/Turn signals
3. Audio controls
4. Horn
5. Driver’s front air bag
6. Wiper/Washer
7. Ignition switch
8. Engine start/stop button
9. Hazard warning fla ...
Power window lock button
The driver can disable the power window switches on a front and rear passenger
door by pressing the power window lock button located on the driver’s door to
the LOCK position (pressed). ...