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:
Clutch Pedal. Repair procedures
Removal
Do not spill brake fluid on the vehicle; it may damage the paint
if brake fluid does contact the paint, wash it off im ...
Specifications
Specifications
Item
Specification
Type
Motor driven power steering system(EPS)
Steering gear
Type
Rack &am ...
Battery saver function
The purpose of this feature is to prevent the battery from being discharged.
The system automatically turns off the parking lights when the driver removes
the ignition key (smart key : turns ...
