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:
Transaxle Control Module (TCM). Repair procedures
Replacement
In the case of the vehicle equipped with immobilizer
or button engine start system, perform "Key Teaching&quo ...
Special Service Tools
Special Service Tools
Tool(Number and Name)
Illustration
Use
Deployment tool
0957A-34100A
Airbag deployment tool.
...
Defogging logic
To reduce the probability of fogging up the inside of the windshield, the air
intake is controlled automatically according to certain conditions such as
or
position. To cancel or return the
de ...
