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:
Recovery in the event of flat active key battery
If the active key battery is running low or is flat, the hands free system
shows the relative icon on the dashboard.
The following image shows the icon appearing on the circular area of the
dashboard: this indicates that the active key
battery is flat.
For the replacement procedure of t ...
Headlight control
This function allows you to reduce current consumption from
the battery, by automatically managing headlight switchingoff.
At key-on, the high beam and low beam lights are off.
When the engine is started, the low beam lights turn on
automatically; from this moment, "normal" operati ...
Adjusting the chain tension
Make the rear wheel turn until you find the position where chain is tightest.
Set the vehicle on the side stand. Push down
the chain at the point of measurement and release. Measure the distance between
the "aperture" upper profile and pin
centre.
The read distance must be: 9 to 11 mm.
...