Ducati Diavel Service Manual: Dds diagnosis instrument
The main functions of the dds diagnosis instrument can be summarised as follows:
- Retrieval of errors (faults) of the ignition-injection system stored in the engine control unit memory and their subsequent deletion, if required.
- Reading of engine parameters (rpm, coolant and air temperature, atmospheric pressure, throttle opening, battery voltage, injection times and ignition advance, etc.).
- Active diagnostics. Activation of ignition-injection system transducers to test functionality and control signals (fuel pump, ignition coils, rev counter, injectors, etc.). With this function it is also possible to enter the code to override the immobilizer.
- Road test. Allows the technician to store engine parameters recorded within a previously specified engine speed range interval. The resulting parameters can then be analysed and displayed once they have been acquired.
- With specific sensors connected, the dds diagnosis instrument can read electrical voltages, current, temperature, timing belt tension, and pressure values (lubrication and fuel supply circuits for example).
Tester power supply
The dds (1) part number 97900.0215 Can be powered from the vehicle as
follows:
From the mains power supply: by connecting the power supply connector
(n) to the network power supply (2) pa ...
Checking and adjusting timing belt tension
Note
The on-screen icons used during this procedure are explained in a table at
the end of this section.
Note
This operation, which is performed using the dds diagnosis instrument, has
the adva ...
Other materials:
Air temperature sensor
Introduction
The engine control system on the diavel uses a sensor that measures air
temperature. This sensor has a resistance of
ntc type (negative temperature coefficient), that reduces its own value when the
temperature increases. The air
temperature sensor allows the engine control unit t ...
Evaporative emissions canister system (usa versions only)
Usa models are equipped with an additional system with an evaporative
emissions canister that prevents fuel fumes from
being discharged into the atmosphere.
The breather hose (4) is connected to the canister filter (1); when the fuel
has been filtered, it is returned through the
hose (2) to t ...
Anti-pollution system and auto-adaptive strategy
Efficacy of the catalytic converter and oxygen sensors
To comply with current emissions legislation, the diavel is equipped with a
trivalent catalytic converter, which oxidises co
(carbon monoxide) and hc (unburnt hydrocarbons) and reduces nox (nitrogen
oxides).
The image shows the exhaus ...