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).

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
|

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:
Diagnosis With KDS/GDS
1.
BSD system defects can be quickly diagnosed by using the KDS/GDS. KDS/GDS
operates actuator quickly to monitor input/output value and perform
self diagnosis.
2.
Connect the cable of KDS/GDS to the dat ...
The rear seatbacks can be folded to facilitate carrying long items or to increase
the luggage capacity of the vehicle.
WARNING
The purpose of the fold-down rear seatbacks is to allow you to carry longer
objects that could not be accommodated in the cargo area.
Never allow passengers to sit on top ...