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:
Troubleshooting
Problem Symptoms Table
Use the table below to help you find the cause of the problem. The numbers
indicate the priority of the like cause of the problem. Check each part in order.
...
Output Speed Sensor Inspection
1.
Check signal waveform of Input & output speed sensor using the
GDS.
Specification:
Refer to "Signal Wave Form" section.
...
Drive Belt Installation
1.
Install the drive belt.
(1)
Install the drive belt (C).
(2)
Adjust the tension by t ...
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