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:
Intake Actuator Description
The intake actuator is located at the blower unit. It regulates the intake
door by signal from control unit. Pressing the intake selection switch will
shift between recirculation and fresh ai ...
26 Brake Control Solenoid Valve(26/B_VFS) Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the solenoid valve connector.
3.
Measure resistance between sensor ...
CVVT (Continuously Variable Valve Timing) System: [CVVT System Mode]
(1) Low Speed / Low Load
(2) Part Load
(3) Low Speed / High Load
(4) High Speed / High Load
...
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