Browse Publications Technical Papers 2004-01-2981
2004-10-25

The First E.O.B.D. Application for MultiJet Light Duty Diesel Engine 2004-01-2981

This paper describes the E.O.B.D. (European On Board Diagnostic) system used in the latest version of engine control units (called: MultiJet) fitted to the new Diesel Engines developed by Fiat GM Powertrain (FGP). FGP Diesel engines have been capable of satisfying the Euro 3 and Euro 4 emission standards when the most updated level of engine exhaust emission reduction devices (including sophisticated EGR and DPF filter trap) were adopted. Due to newly introduced legislation, since January 2004 this engine configuration will be monitored continuously through a suitable European On Board Diagnostic software system. The software strategies allow to satisfy legislation requirements (Directives 98/69 and 2002/80) and are applicable to various engine displacements, 1.3l and 1.9l 4 cylinder, suitable for cars having different types of electrical network configurations. This diagnostic software was developed, up to its final validation, in collaboration with R. Bosch and Magneti Marelli suppliers.

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