Hyundai Genesis: Engine Control System / Variable Intake Solenoid (VIS) Valve Description and Operation
Variable Intake manifold Solenoid (VIS) valves are installed
on the intake manifold (VIS Valve 1) and the surge tank (VIS Valve 2).
These VIS valve 1 and 2 control vacuum modulators which activate valves
in the intake manifold and the surge tank. These valves opens or closes
by ECM according to engine condition (Refer to the table below).

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the OCV connector.
3.
Measure resistance between the OCV terminals 1 and 2.
4.
Check that the resistance is within the specifi ...
Specification
ItemSpecificationCoil Resistance (?)30.0 ~ 35.0 [20°C(68°F)]
...
Other information:
Basic Service Symbols
There are five primary symbols used to complement
illustrations. These symbols indicated the materials to be applied to
parts during service.
SymbolMeaningDo not reuse the part. Replace a new one.Apply engine oil or transmission oil to the part.Apply automatic transm ...
Circuit Diagram
NO.Function (Connector A)NO.Function (Connector B)1B+ (ECU)1Tele motor backward (tele in)2Sensor VCC2Tilt motor up3Tilt sensor3Tilt motor down4Tele sensor4Tele motor forward (tele out)5Tilt up switch5Power GND6Tele backward (tele in) 5W6-7-7Power B+8B_CAN_High8-9B_CAN_Low9-10ECU ...