Kia Forte: Variable Intake Solenoid (VIS) Valve Description
Second generation YD (2014-2018) / Kia Forte TD 2014-2018 Service Manual / Engine Control / Fuel System / Engine Control System / Variable Intake Solenoid (VIS) Valve 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 |
CVVT Oil Control Valve (OCV) Installation
•
Install the component with the specified torques.
•
...
Variable Intake Solenoid (VIS) Valve Specification
Item
Specification
Coil resistance (Ω)
30.0 ~ 35.0 [20°C(68°F)]
...
See also:
Input Speed Sensor Signal Waveform
Fig 1) Input/Output speed sensor at low speed
Fig 2) Input/Output speed sensor at high speed ...
Installation
Be sure to install the harness wires not to be pinched or interfered
with other parts.
...
Installation
1.
Install the key lock cylinder.
2.
Install the key warning switch and key Illumination.
3.
Install the key wa ...
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