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:
SRS components and functions
The SRS consists of the following components:
1. Driver's front air bag module
2. Passenger's front air bag module
3. Side impact air bag modules
4. Curtain air bag modules
5. Retractor ...
Interior light
CAUTION
Do not use the interior lights for extended periods when the engine is not
running. It may cause battery discharge.
WARNING
Do not use the interior lights when driving in the dark. Accide ...
Manual Transaxle. Components and Components Location
Components
1. Transaxle case
2. Taper roller bearing outer race
3. 1st/2nd shift fork
4. Reverse shift fork
5. Shift rail
6. 3rd/4th shift fork
7. 5th/6th ...