Hyundai Veloster: Variable Intake Solenoid (VIS) Valve. Description and Operation
First generation (2011–present) / Hyundai Veloster 2010-2019 Service Manual / Fuel System / Engine Control System / Variable Intake Solenoid (VIS) Valve. Description and Operation
First generation (2011–present) / Hyundai Veloster 2010-2019 Service Manual / Fuel System / Engine Control System / 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 |
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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)]
...
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