Ducati Diavel
Free Service and Repair manuals

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


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

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:

Lcd unit functions
Speedometer. Gives road speed. Rev counter. Indicates engine revs per minute. Clock. Water temperature indicator. Indicates engine coolant temperature. Important Stop riding if the temperature reaches the maximum value, otherwise the engine might be damaged. ...

Routing of wiring on frame
The routing of the wiring has been optimised to ensure the minimum obstruction. Each section is designed to prevent interference with parts that might damage wires or cause operating failures when riding. The plates on the following pages show the origins ("0" points) for correct re-routin ...

Indicator  cons.  - Instantaneous fuel consumption
This function indicates the "instantaneous" fuel consumption. The calculation is made considering the quantity of fuel used and the distance travelled during the last second. The datum is expressed in "l/100" (litres / 100 km); it is possible to change the units of measurem ...

2025 | www.dudiavel.com |