Introduction
The on/off switch on the handlebar is used to switch the dashboard on and off, if a key has been detected, and start the engine.
With the switch turned to "run off" (centre position), pushing downwards switches the dashboard on or off (activating the button inside the switch).
Wiring diagram

The button inside the on/off switch receives 12 volt power directly from the battery via the main 30 a fuse. When pressed, it sends the 12 volt power to the hands free system, which detects activation of the button. On/off switch pin 8, light blue wire (lb), on/off switch pin 5, red wire (r).

Pinout of right hand handlebar switch connection, wiring harness side.

Location of the right hand handlebar switch connection.
Error codes
The hands free system generates no fault code in the event of a fault of the on/off switch on the handlebar.
Electrical characteristics and checking component
The switch receives 12 volt power directly from the battery via the main 30 a fuse.
Check for 12 volts on pin 5 of the switch.
Check for 12 volts on pin 6 of the hand free system side connector with the switched pressed. The voltage measured must be 0 volts when the switch is not pressed.
In the event of fault
In the event of a fault of the on/off switch on the handlebar, the button integrated into the hands free system may be used instead.
Installation location

The image shows the location of the on/off switch, near the throttle grip on the right hand side of the handlebar.
Communication antenna
The hands free relayThe battery charging circuit and power distribution
On the diavel, the +15v (key on power) voltage does not come from a
conventional ignition key, but from pin 30 of the
hands free relay. This relay is switched to closed state by the hands free unit
when the latter enables power on for the
ignition and engine. The hands free relay receives +30v ...
Accelerator position sensor (throttle grip)
Introduction
An accelerator position sensor (aps) is mounted on the throttle body of the
diavel, which measures the degree of aperture
of the throttle grip.
The throttle grip is connected to the sensor via two metal cables
The sensor transmits information to the ecu relative to the "torque ...
Identification data
All ducati motorcycles have two identification numbers, for
frame (fig. 1) And engine (fig. 2).
Note
These numbers indicate the motorcycle model and
should be quoted when ordering spare parts.
...