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:

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 ...

Accelerator position sensor (throttle grip)
Introduction An accelerator position sensor (aps) is mounted on the throttle body of the diavel, which measures the degree of aperture of the throttle grip. The throttle grip is connected to the sensor via two metal cables The sensor transmits information to the ecu relative to the "torque ...

Check engine oil level
Check the engine oil level through the sight glass (1) on the right-hand side of the oil sump. Stop the engine and allow a few minutes for the oil to settle to a steady level. Oil level must be checked with the vehicle perfectly upright and the engine cold. The oil must be between the m ...

2026 | www.dudiavel.com |