Hyundai Azera: Auto Lighting Control System
Troubleshooting
SpecificationsVariable Intake Solenoid (VIS) Valve Description and Operation
Description
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 ...
Canister Close Valve (CCV) Schematic Diagrams
Circuit Diagram
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Filter inspection
If the vehicle is operated in the severely air-polluted cities or on dusty rough
roads for a long period, it should be inspected more frequently and replaced earlier.
When you, the owner, replace th ...