Ducati Diavel
Free Service and Repair manuals

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:

Timing system
Central external cover Air filter Horizontal cylinder timing belt cover Screw Filter support Screw Washer Nut Tensioner pulley assembly Circlip Camshaft pulley Tensioner pin Idler pulley assembly Timing belt Nut Key Spacer Camshaft pulley Driveshaft pulley ...

How to start the engine
With the motorcycle off and the dashboard on, the on/off switch is turned to "run off" With the motorcycle and dashboard on, the on/off switch is turned to "run off". To start the engine, simply push the on/off switch up to "run on" and press the black start button. ...

Coolant temperature
This function indicates coolant indication state. The temperature unit of measure can be selected (C or f). The reading is indicated as follows: if the reading is between - 39C and +39C "lo" is shown flashing on the dashboard (steady); if the reading is between +40C and +120C it appears on t ...

2026 | www.dudiavel.com |