After replacing the Variable Swirl Actuator, the "Component Change Routine" procedure MUST be performed. Otherwise, trouble related with engine performance or emission control may occur until ECM learning about the component is over.
Turn the ignition switch OFF.
Connect the GDS to Data Link Connector (DLC).
Turn the ignition switch ON.
Select "Vehicle, Model year, Engine, System".
Select "Vehicle S/W Management".
Select "Component Change Routine".
Select "Lambda Sensor Change".
Turn the ignition switch OFF and then turn it ON again in 20 seconds.