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:
Inspection
1.
Disconnect the back up lamp switch connector (A).
2.
Check the continuity between no. 1 and 2 terminals of backup lamp
switch. W ...
Inspection
Cylinder Head
1.
Inspect for flatness.
Using a precision straight edge and feeler gauge,
measure the surface the contacting the cylinder block and the ...
Troubleshooting
Troubleshooting
1.
The lamp switch inputs can be checked using the GDS.
2.
To check the input value of lamp switch, select option "Body Co ...
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