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:
Front seat
Manual adjustment
Forward and rearward
To move the seat forward or rearward:
1. Pull the seat slide adjustment lever up and hold it.
2. Slide the seat to the position you desire.
3. Release t ...
Flex Steer. Components and Components Location
Components Location
1. Flex steering switch
...
Tire rotation
To equalize tread wear, it is recommended that the tires be rotated every 7,500
miles (12,000 km) or sooner if irregular wear develops.
During rotation, check the tires for correct balance.
When r ...
