Suzuki VZ800 Service Manual page 215

5-58 FI SYSTEM
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 "Secondary throttle operating control" 1.
4) Click each button 2.
At this time, if an operation sound is heard from the STVA,
the function is normal.