Suzuki VLR1800 Service Manual page 172

1A-103 Engine General Information and Diagnosis:
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).
4) Click each button (2).
At this time, if an operation sound is heard from the EXCVA, the function is normal.
1
I822H1110120-01
2
2
I822H1110122-01