Verfahren zum Betrieben eines Kraftfahrzeuges auf einem Rollenpruefstand

Operating method involves traversing of predetermined driving cycles of motor vehicle with definite switching points on chassis dynamo meter. An external control unit (6) is attached on motor control unit (2). By using the external control unit, the control of fresh air and/or fresh charge of air-fuel mixture attachment (3) as well as the control of drive (4), are influenced.