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:

Removal of the gearchange control
Loosen and remove the pivot screw (4) securing the gearchange pedal (1) and recover the washer (9) and the o-ring  Seals (5). Loosen and remove the screw (7) securing the gearchange lever (8) to the gear selector shaft. Withdraw the lever (8) complete with the gearchange control assem ...

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 ...

Introduction to the engine control system
The engine control system used on the diavel consists of the following elements: Ride-by-wire system (motorised throttle valves with electric actuator, throttle grip position sensor and throttle valve position sensor) One injector per cylinder installed downstream of throttle valve On ...

2026 | www.dudiavel.com |