Diagnosevorrichtungen in einem Fahrzeug mit Diagnoseframework für Diagnosemodule

摘要

The device has a selection unit (64) selecting selective signals from signals conveyed by a vehicle-data bus system based on predetermined selection criteria. An evaluation unit (70) evaluates the selected signals based on information of a knowledge base (72) to determine variations and/or consistencies with a good or bad attitude of one of vehicle functions. An output unit (76) output diagnostic information based on the evaluation. An independent claim is also included for a motor vehicle having a function-oriented diagnostic device.