Ducati Diavel
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Ducati Diavel Service Manual: Specific operating strategies

Idle speed

No electric motor is used for idle speed regulation (bypass is modulated instead with the throttle valve), as idle speed control is effected by the ride-by-wire system. Idle speed is maintained by the control unit when the speed drops below a specific threshold and when the clutch lever is operated and/or the gearbox is in neutral. The "clutch lever operated" signal is generated by a button on the lever itself, which interacts directly with the engine control unit. The "gearbox in neutral" signal is generated by the gear sensor connected to the bbs, and is transmitted to the engine control unit via the can line (target idle speed with engine stabilised at operating temperature is 1,350 rpm). The co value for each cylinder, always with engine stabilised at operating temperature, must be within 0.4 And 1.4 In volume percentage.

Throttle valve aperture regimens

The rider may select between four different riding modes (sport, touring, urban) from the tank dashboard and via the handlebar controls. Each riding mode contains three configurable throttle valve opening strategies (the engine control calibration parameters, in other terms the maps for quantity of fuel injected and ignition timing advance, are the same for all). This allows the rider to adapt power delivery and maximum power as follows to suit personal preferences:

Introduction to the engine control system
The engine control system used on the diavel consists of the following elements: Ride-by-wire system (motorised throttle valves with electric actuator, throttle grip position sensor and throt ...

Inputs and outputs of engine control unit and connection to can network
The diagram illustrates the inputs and outputs for the engine control unit. The signals from the brake buttons, the exhaust by-pass valve command signal and the gear sensor signal are transmitt ...

Other materials:

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 ...

Replacing the rear phonic wheel sensor
Disconnect the rear abs sensor (5) connector (c) from the main electric wiring. Open all the retainer clamps of the rear abs sensor cable (5): refer to table of sect. 7 - 6, Flexible wiring/hoses positioning. Remove the rear abs sensor (5) from its seat on the rear calliper mounting ...

Refitting the cylinder/piston assembly
If new units are used, it is necessary to couple the cylinders and pistons of the same selection (see paragraph "overhaul Of the cylinder barrel/piston components" of this section). If the pistons have been separated from their cylinders, before reassembling these components, position the p ...

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