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:
Interior overview
❈ The actual vehicle may differ from the illustration.
1. Door lock/unlock button
2. Outside rearview mirror control switch*
3. Central door lock switch*
4. Power window lock button*
5. ...
Removal
Passenger Compartment Junction Box
1.
Disconnect the negative(-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to t ...
Troubleshooting
Troubleshooting
Trouble Symptom
Probable cause
Remedy
Vehicle pulls to one side
Scoring of driveshaft ball joint
Replace
...
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