Kia Rio: 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 |
Specification
Item
Specification
Coil resistance (Ω)
30.0 ~ 35.0 [20°C(68°F)]
...
See also:
Cleaning
1.
Make sure the ignition switch and all accessories are in the OFF
position.
2.
Disconnect the battery cables (negative first).
...
Special Service Tools
Tool
(Number and Name)
Illustration
Use
09200-38001,3N000 (Beam)
09200-1P100, 4X000 (Adapter)
09200-2S200 (Supporter)
Engine support assembly
...
Control System Composition
Fault Diagnosis
Features a fail-safe mechanism that prevents dangerous situations from
developing in the event of a transaxle failure. The limp home mode engages if
the transaxle malf ...
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