An electronic control unit and a method of performing diagnosis in a vehicle

摘要

The invention discloses an electronic control device and a method of performing diagnosis in a vehicle. The electronic control unit of the invention is capable of being operated in a diagnostic mode where the resources of the electronic control unit are utilized for diagnostic functions. The method allows activation of a diagnostic mode in the vehicle components which enables communication of diagnostic information between the electronic control units, the vehicle components and a testing device over a communication network.