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:

Chain lubrication
The chain fitted on your motorcycle has o-rings that keep dirt out of and lubricant inside the sliding parts. So as not to damage these seals when cleaning the chain, use special solvents and avoid aggressive washing with highpressure steam cleaners. After cleaning, blow the chain dry with ...

Operating principle and characteristics of the ride-by-wire system
The engine control system of the diavel uses a ride-by-wire system with motorised throttle valves. This eliminates all direct connection with metal cables between the throttle grip and the throttle valves themselves. Cables are used to rotate the aps potentiometer, which generates an electric ...

Refitting the flywheel-alternator assembly
Fit the roller cage unit (20) with washer (18) and internal ring (19), applying prescribed grease on the washer (18). Install the roller cage assembly (20) with the washer (18) and inner race (19). Install the flywheel assembly (v) with the gear (21), aligning the notches as shown in ...

2026 | www.dudiavel.com |