Method and device for operating a drive unit

Details Method and device for operating a drive unit Method and device for operating a drive unit

2011-05-10

2011-05-10

Lewis, Tisha D (Department: 3655)

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

C477S175000

Reexamination Certificate

active

07938750

ABSTRACT:
In a method and a device for operating a drive unit, e.g., of a vehicle, to provide improved diagnosis of a state of a power transmission unit, the power transmission unit in the engaged state transmits an output power of an engine to a drive train, the state of the power transmission unit being detected. The state of the power transmission unit is diagnosed as a function of an output quantity of the engine.

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