Low and Medium Load
High Load
Engine speed
Below 2,500rpm
Above 2,500rpm
Valve operation
CLOSED
OPEN
Descriptive illustration
Fail-safe
Fully open
Variable Swirl Actuator consists of DC motor and position sensor which detects the position of the swirl valve.
At idle or below 2,500rpm, the swirl valve is closed. This swirl effect increases air flow rate.
Low and Medium Load | High Load | |
Engine speed | Below 2,500rpm | Above 2,500rpm |
Valve operation | CLOSED | OPEN |
Descriptive illustration | | |
Fail-safe | Fully open | |
To prevent the swirl valve and the shaft from being stuck by foreign materials and to learn maximum opening and closing positions of the valve, the ECM fully opens and closes the valve twice when the engine has stopped.
