Hyundai Venue: 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 ignition switch OFF.
2.
Disconnect OCV connector.
3.
Measure resistance between OCV terminals 1 and 2...
Other information:
Removal and Installation
1.
Disconnect the battery negative terminal.
2.
Loosen the drain plug, and drain the engine coolant. Remove the radiator
cap to drain with speed.
3...
Description
This specification applies to HCU(Hydraulic Control Unit) and ECU(Electronic
Control Unit) of the HECU.(Hydraulic and Electronic Control Unit)
This specification is for the wiring design and installation of ABS/ESP ECU...
Categories
Vehicle Identification Number (vin)
Frame number
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