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:

Checking protection and safety device components
Checking the side stand switch Remove the switch (1) from the side stand undoing screw (2) and disconnect the main wiring connector from the switch (see paragraph "routing of wiring on frame", sect. 6 - 1). Use an analogue or digital multimeter (sect. 6 - 11, Using a multimeter to check the ...

Inspecting the final drive
To check the wear of the final drive, visually check the pinion (14) and sprocket (17). If the teeth are found to worn as shown in the figure (dotted line), the sprocket must be renewed. To check the amount of wear on the chain (8), keep the chain taut and measure 16 links. If the l ...

Refitting the timing belt driveshaft pulleys
To fit the circlip (10) in the driveshaft seat, use the tool code 88713.2834. Install the inner spacer (17) on the driveshaft, taking care to align the notch in the spacer with the slot for the woodruff key. Fit the first woodruff key (16) on the timing belt driveshaft. Locate the ...

2026 | www.dudiavel.com |