Motor vehicle`s drive train operating method, involves closing or approximately closing control unit during execution of shifting-up and/or shifting-in operations and during execution of another shifting-up and/or shifting-in operations

摘要

The method involves preparing two control units during the execution of a shifting-up and/or shifting-in operations for a following another shifting-up and/or shifting-in operations. A third control unit is kept closed or approximately closed during the execution of the former shifting-up and/or shifting-in operations and during the execution of the latter shifting-up and/or shifting-in operations.