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:

Front brake control
Front brake master cylinder Brake lever Special screw Sealing washer Screw Phonic wheel Brake disc Pin Left brake calliper Boot Bleed valve Spare stand Control unit - front callipers pipe Microswitch Oil duct union Screw Hose clip Right brake calliper Speci ...

Electrical components support
Clip Screw Voltage regulator Battery fixing bracket Battery support Vibration damper mount Hose clip Vibration damper mount Clip Washer Screw Cover Cable grommet Battery Battery mat Screw Bracket Solenoid starter Spring washer Spacer Screw Horn Scre ...

Removal of the gear selector lever
Unscrew and remove the fixing screws (18) and (20) of the complete gear selector lever (21) and collect the spacer (19). Remove the gearchange mechanism complete with the shaft, spring, and stop plate. Important Visually inspect the gear selector claw (14) for wear, particularly aroun ...

2026 | www.dudiavel.com |