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:
Key-on/key-off using the red key on the handlebar with the active key
A key-on can be performed by pressing the red key (6) on
the handlebar in the hands free on/off position and in
the presence of the active key (3, fig. 77).
Note
The active key (3, fig. 77) Has a range of approx. 1.5 M,
therefore it must be located within this range.
Key-off can be performed ...
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 ...
Rh switch
Red on/off switch.
Black engine start button.
The switch (1) has three positions:
Centre: run off. In this position, the engine cannot be
started and all electronic devices are off.
Pushed down: on/off. In this position, the system can
be turned on (key-on) and off (key-off).
Pus ...