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:
All season tires
HYUNDAI specifies all season tires on some models to provide good performance
for use all year round, including snowy and icy road conditions. All season tires
are identified by ALL SEASON and/or ...
Sunroof. Repair procedures
Replacement
Glass Replacement
-
Put on glove to protect your hands.
...
Brake Booster. Components and Components Location
Components (1)
1. Brake booster
2. Master cylinder assembly
3. O-ring
Components (2)
1. Vacuum pump
2. Bracket
...
