Ducati Diavel
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Ducati Diavel Service Manual: Horn not working

Fault codes

Dds: horn diagnosis -> short circuit to ground (s.C. Gnd).

Dashboard: the error "claxon" (horn) is shown on the service display. The eobd warning light activates.

Wiring diagram

Horn not working


Db dashboard connection, s horn button. 5 Blue/white - b/w, 1 red/blue - r/b, db 19 purple/black - v/bk.

Location of connections and components

Location of connections and components


Location of left hand handlebar switchgear set connection.

Location of connections and components


Location of horn with relative connection.

Location of connections and components


Pin numbering for wiring harness side dashboard connector.

Note

Check integrity of electric circuit - short-circuit to vdc = with dashboard on, using a voltmeter, a voltage is measured between the wire tested and ground.

Check integrity of electric circuit - short-circuit to ground = with the battery cables disconnected, using an ohmmeter, continuity is detected between the wire tested and ground.

Check integrity of electric circuit - open circuit = with the battery cables disconnected, using an ohmmeter, no continuity is detected between the two ends of the wire tested.

Low beam lights not working
Location of connections and components (A) injection relay; (b) etv relay (throttle valve operating engine); (c) radiator fan relay; (d) hands free relay. Fuses located at the rear left of ...

Turn indicators not working
Fault codes Dds: no fault code displayed. Dashboard: no fault code displayed. Wiring diagram Db dashboard connection, bbs bbs unit connection, s turn indicator button, f1 front left turn i ...

Other materials:

Spark plugs replacement
Check the colour of the ceramic insulation around the central electrode: an even, light brown colour indicates the engine is in good condition and running at the right temperature. Inspect the centre electrode for wear and check spark plug gap, which should be: 0.8+/-0.1 Mm. Important ...

Reassembly of structural components and the frame
Check for the nuts with clips (8). Apply recommended grease on the threads of the adjusters (4) and the ring nuts (5) having care not to have grease on the surface (c) of the adjusters. Tighten the adjusters on the ring nut side opposite to that featuring flats until bringing the surfac ...

Menu 2 on/off function
This function turns off and back on the menu 2. If menu 2 is disabled, the functions for average fuel consumption (cons.Avg), instantaneous fuel consumption (cons.), Average speed (speed avg), trip time (trip time) and air temperature (air) will no longer be displayed in the "main screen". ...

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