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:
Hands free mic Inspection
1.
Disconnect the negative(-) battery terminal.
2.
Remove the roof trim.
(Refer to the BD group - "Roof trim")
...
Smart key unit Inspection
Smart Key Unit
-
Refer to the BE group - inspection / self diagnosis with GDS.
Smart Key Switch
-
Refer to the BE group - inspection / self di ...
Fuel Pump Removal
1.
Release the residual pressure in fuel line (Refer to the Fuel
Delivery System - Repair Procedures - "Release Residual Pressure in
Fuel Line").
...
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