Hyundai Accent: Variable Intake Solenoid
(VIS) Valve. Description and Operation
Fourth generation RB (2010–present) / Hyundai Accent 2010-2019 Service Manual / Engine Control/Fuel System / Engine Control System / Variable Intake Solenoid
(VIS) Valve. Description and Operation
Fourth generation RB (2010–present) / Hyundai Accent 2010-2019 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:
Installation
1.
Installation is the reverse of removal.
2.
Tighten the HECU mounting bolts and nuts to the specified torque.
3.
...
Installation
1.
Install the BCM.
2.
Install the crash pad lower panel.
...
Removal
1.
Turn ignition switch OFF.
2.
Disconnect the brake fluid level switch connector (A) from the
reservoir.
3.
...
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