Suzuki GSX-R600 Manual page 193

Engine General Information and Diagnosis: 1A-125
Active Control Inspection
1) Set up the SDS tool. (Refer to the SDS operation manual for further details.)
2) Turn the ignition switch ON.
3) Click "Exhaust valve operating control" (1).
1
I837H1110164-01
4) Click each button (2).
At this time, if an operation sound is heard from the EXCVA, the function is normal.
2
2
I823H1110203-03