Ducati Diavel Service Manual: 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).
Dashboard: the error "exvl" (exhaust bypass valve) is shown on the service display. The eobd warning light activates.
Wiring diagram
M exhaust bypass valve motor with potentiometer s for position detection, bbs bbs unit connection. 10 Bbs black/blue - bk/b, 15 bbs brown/red - bn/r, 4 bbs yellow/blue - y/b, 18 bbs black/orange - bk/o, 19 bbs black/white - bk/w.
Location of connections and components
Exhaust bypass valve connection.
The image shows the exhaust system. The oxygen sensor for the horizontal cylinder (1) is visible on the right, the oxygen sensor for the vertical cylinder (2) is on the left. The catalytic converter is contained within the silencer, while the by-pass valve is installed in the section of pipe connecting the silencer to the twin tailpipes. A metal cable, controlled by an actuator with electric motor and a position sensor, branches off from the exhaust bypass valve.
Pin numbering of wiring harness side bbs unit connection
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 li ...
Other materials:
Refitting the crankshaft/connecting rod assembly
Install the connecting rod assembly (6) and (2) in the crankcase, carry out
the shimming and crankcase half reassembly
procedure as described in sect. 9 - 9.2, Reassembly of the crankcase halves.
Important
Make sure that the connecting rods (2) are correctly positioned in the
cylinders. Incor ...
Vehicle speed indicator
this function displays vehicle speed (km/h or mph
depending on the set measurement system).
the instrument panel receives information about the actual
speed and displays the number increased by 5%.
maximum speed displayed is 299 km/h (186 mph).
over 299 km/h (186 mph) a series of dashes w ...
General safety rules
Carbon monoxide
When a maintenance operation must be performed with the engine running, maker
sure that the working area is wellventilated.
Never run the engine in an enclosed space.
Warning
Exhaust fumes contain carbon monoxide, which is a poisonous gas that
can cause unconsciousness or e ...