Ducati Diavel
Free Service and Repair manuals

Ducati Diavel Service Manual: Stop light not working

Fault codes

Dds: stop light diagnosis -> stop light error (generic stop light malfunction indication).

Dashboard: the error "stop light" is shown on the service display. The eobd warning light activates.

Wiring diagram

Stop light not working


Db dashboard connection, bbs bbs unit connection, a front brake button, p rear brake button, l stop light. A key on power (+15 from hands free relay 30), db 4 grey/red - gr/r, the switch cable connected to a via the fuse is black - bk, bbs 6 grey/red - gr/r, ground on stop light, black - bk.

Location of connections and components

Location of connections and components


Rear running light and stop light connection.

Location of connections and components


Front brake button mounted near lever operating brake pump.

Location of connections and components


Rear brake button mounted near lever operating brake pump. The button is normally closed (when the brake lever does not press on the button because it has been pressed by enough to cause a braking effect, the contacts close, short circuiting the contacts).

Location of connections and components


Pin numbering for wiring harness side dashboard connector.

Location of connections and components


Pin numbering of wiring harness side bbs unit connection.

Abs disabled information not displayed
Fault codes Dds: displays a fault code described in the description of the abs system. Dashboard: no fault code displayed. Wiring diagram Checks The abs fault indicator indicates the occurr ...

Exhaust by-pass valve not working correctly
Fault codes Dds: exvl diagnosis -> position error, potentiometer, short circuit to ground or open circuit (s.C. Gnd or c.O.), Potentiometer short circuited to vdc (potentiometer s.C vdc). Da ...

Other materials:

Reassembling the water radiator unit
The procedure is the same for both radiators. Check the presence of clips (1) at the positions of the external coolant radiator cover (23). If removed, fit the front turn indicator (32) on the cover (23) and tighten the screws (27) to 2 nm +/- 10% (sect. 3 - 3, Frame torque settings). No ...

Indicating devices
Checking the indicating devices In the event of a fault, the internal connections of the device must be checked in all operating conditions. To do this, it is necessary to disconnect the switch connector from the main wiring harness (sect. 6 - 1, Routing of wiring on frame). Then analyse th ...

Refitting the alternator-side crankcase cover
Before the assembly make sure that the water pump unit is fitted on the generator cover (sect. 9 - 3.3, Refitting the water pump). If bearing (27) has been removed, lubricate its seat with specified grease to fit it on the generator cover (13). Fit bearing completely in its seat and orien ...

2025 | www.dudiavel.com |