Ducati Diavel Service Manual: The hands free relay
Introduction
This relay provides key on +15 power to all the devices on the motorcycle. Functionally, it replaces the conventional ignition switch.
Wiring diagram
The hands free relay receives +12 volt power directly from the battery via the main 30 a fuse. Hands free - 3: pin 3 on hands free system connection. "U": current consumers requiring +12 volt in key on state (key on +15). Pin 30 red/white wire (r/w), pin 86 black wire (bk), pin 87 red wire (r), pin 85 red/yellow wire (r/y)
Error codes
The hands free system generates no fault code in the event of a hands free relay fault.
Electrical characteristics and checking component
The relay contact must close (continuity between pin 87 and pin 30) when the internal electric winding is powered with 12 volts (pin 86 and pin 85).
In the event of fault
In the event of a hands free relay fault, the engine stops (if running) or will not start. The relay is not commanded by the hands free system.
Installation location
This image shows the location of the hands free relay (a). It is located on the relay supporting bracket.
Component replacement methods
No special measures are necessary in order to replace the hands free relay.
On/off switch on handlebar
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 positio ...
Active key
Introduction
The active key (1) communicates with the hands free system by radio. In order
to function, the key must be within a 1.5
Metre radius from the antenna (located in the document compartm ...
Other materials:
Description of the diagnosis instrument (dds)
The "dds" diagnostic system lets you diagnose any faults in the
injection-ignition system via a serial port. The system is
also equipped with functions to test various devices on the motorcycle. The dds
diagnosis instrument can be used to
measure current and voltage on any electrical device, t ...
Units of measurement modification function
This function allows you to change the units of measurement of the displayed
values.
To access the function it is necessary to view the ""setting" menu", using
buttons (1) "s" or (2) "t" to select the "set
units" function and press the reset button (3) to enter the following page.
Use but ...
Refitting the cylinder head assemblies
Warning
To prevent oil leaks past the contact area between cylinders and
crankcase, each time the head is removed, cylinder and
piston must be removed as well to clean the mating faces of crankcase and
cylinder and restore the spoiled gaskets and
o-rings and apply again liquid sealant (sect. ...