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:
The headlamps (and/or taillights) remain on for same minutes (5 minutes) after
the ignition key is removed or turned to the ACC or LOCK position. However, if the
driver’s door is opened and closed, the headlights are turned off after 15 seconds.
The headlights can be turned off by pressing the l ...
Inspection
Throttle Position Sensor (TPS)
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Start the engine and measure the output voltage of TPS 1 and 2 at C.T.
and W.O.T.
Specification: Refe ...