Ducati Diavel Carbon Owner's Manual page 190

ABS light
After Key-On, the ABS light (9) stays on.
When the vehicle speed exceeds 5 km/h, the warning
light switches off to indicate the correct operation of
the ABS system.
Attention
In case of malfunction, do not ride the
motorcycle and contact a Ducati Dealer or Authorized
Service Center.
188
9
Fig 133