METHOD AND DEVICE FOR DIAGNOSING DRIVING OPERATION

摘要

A complaint or dissatisfaction to fuel consumption is diagnosed in a maintenance factory or the like just as normal vehicle fault diagnosis, and the result of the diagnosis is presented to a user together with the evaluation of a driving operation and the supportive data so that a driving operation suitable for the user is recognized. A diagnostic device is provided with a means for reading driving data over a plurality of driving cycles from a vehicle equipped with a storage device for storing the driving data indicating the fuel consumption state of the vehicle in accordance with the driving operation for each of the driving cycles of the vehicle, a means for creating a chart representing a fuel consumption state per driving operation for each of the driving cycles on the basis of the read driving data, and a means for outputting the charts onto a display device or to a printer as the result of the comparison of each of the driving cycles.