Ducati Diavel Service Manual: Checking protection and safety device components
Checking the side stand switch
Remove the switch (1) from the side stand undoing screw (2) and disconnect the main wiring connector from the switch (see paragraph "routing of wiring on frame", sect. 6 - 1).
Use an analogue or digital multimeter (sect. 6 - 11, Using a multimeter to check the electrical systems) to check switch operation (see table).
Note
The same test may be carried out using the "dds" tester (sect. 6 - 11,
Diagnostic instruments). 
0 = Open contact
X = closed contact
Refit switch (1) to side stand and tighten the screw (2) to a torque of 5 nm +/-10 (sect. 3 - 3, Frame torque settings).
Checking the fuses
The main fuse box (1) and the secondary one (2) are located in the tool tray;
to reach the fuse box remove the seat as
specified under sect. 5 - 3 "Removal of the seat".
The fuses are accessed b ...
Other materials:
Removal of the intake manifold and coolant union
Loosen the clips (f) and remove the hoses (t).
Remove the manifolds (25) undoing the screws (21).
Loosen the clamp (a) and remove the hose (b). Remove the union (12) and
recover the seal (24).
...
Removing the silencer
Loosen the clamp (38) that retains the silencer (4) to the complete exhaust
system.
While holding the nut (8), loosen the screw (1) and remove the silencer (4)
from the motorcycle.
Loosen the screws (40) and remove the silencer guard (41).
...
Water radiators
Clip nut
Spacer
Vibration damper mount
Screw
Screw
Spacer
Vibration damper mount
Clip nut
Bush
Spacer
Rear sprocket
Screw
Water radiator (right)
Screw
Screw
Air deflector (right)
Special screw
Electro-fan
Screw
Vibration damper mount
Screw
Plug
Half ...