Kia Carens: Engine Control System / Variable Intake Solenoid (VIS) Valve Description and operation
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).
![](images/variable_intake_solenoid_vis_valve_description_and_operation-804/550/smdfl1096d.gif)
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
|
![](images/variable_intake_solenoid_vis_valve_description_and_operation-804/550/self11045l.gif)
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the OCV connector.
3.
Measure resistance betwee ...
Specification
Item
Specification
Coil resistance (Ω)
30.0 ~ 35.0 [20°C(68°F)]
...
Other information:
Front seat
(1) Forward and backward
(2) Seatback angle
(3) Seat cushion height (Driver’s seat)
(4) Lumbar support (Driver’s seat)*
(5) Seat cushion extension*
(6) Headrest
2nd row seat
(7) Forward and backward
(8) Seatback angle and folding
(9) Walk-in seat lever*
(10) Headrest
(11) Center seat ...
Inspection
In the state of IGN1 ON, when the multi function switch module detects auto
light switch on, tail lamp relay output and head lamp low relay output are controlled
according to auto light sensor's input.
If IGN1 ON, The BCM monitors the range of this supply an ...