Hyundai Creta: Injector / Variable Intake Solenoid (VIS) Valve
Description and operation
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
|
Specifications
Item
|
Specification
|
Coil resistance (Ω)
|
30.0 ~ 35.0 [20°C (68°F)]
|
Schematic diagrams
(M/T)
(A/T)
Repair procedures
| 1. |
Turn the ignition switch OFF.
|
| 2. |
Disconnect the VIS valve connector.
|
| 3. |
Measure resistance between VIS valve terminals 1 and 2.
|
Specification : Refer to "Specification"
|
|
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-)
terminal.
|
| 2. |
Disconnect the variable intake solenoid valve connector (A).
|
| 3. |
Disconnect the vacuum hoses (B) from the valve.
|
| 4. |
Remove the mounting bolt (C), and then remove the valve from the surge
tank.
|
| • |
Install the component with the specified torques.
|
| • |
Note that internal damage may occur when the component is dropped.
In this case, use it after inspecting.
|
|
| • |
Be careful of foreign material not to flow into the valve.
|
|
| 1. |
Install in the reverse order of removal.
|
Variable intake solenoid valve bracket mounting bolt :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
|
|
Description and operation
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