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:
Parking Brake Assembly. Components and Components Location
Components (1)
1. Parking brake pedal
2. Parking brake cable
3. Equalizer assembly
4. Parking brake lever assembly
Components (2)
1 ...
Room lamp
To turn the room lamp ON or OFF, push the switch or lens.
CAUTION
Do not leave the lamp switches on for an extended period of time when the
vehicle is not running. ...
Tire maintenance
In addition to proper inflation, correct wheel alignment helps to decrease tire
wear. If you find a tire is worn unevenly, have your dealer check the wheel alignment.
When you have new tires instal ...
