Hyundai Accent: Variable Intake Solenoid
(VIS) Valve. Description and Operation
Hyundai Accent RB (2010-2018) Service Manual / Engine Control/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 |
Installation
•
Install the component with the specified
torques.
•
...
Variable Intake Solenoid
(VIS) Valve. Specifications
Specification
Item
Specification
Coil resistance (Ω)
30.0 ~ 35.0 [20°C(68°F)]
...
See also:
Battery. Description and Operation
Description
1.
The maintenance-free battery is, as the name implies,
totally maintenance free and has no removable battery cell caps.
2.
W ...
Fuel Pressure Control Valve. Specifications
Specification
Item
Specification
Coil Resistance (Ω)
0.5 [20°C(68°F)
...
Inspection
1.
Check signal waveform of Input & output speed sensor using the
GDS.
Specification:
Refer to "Signal Wave Form" section.
...
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