Gearshift control method for controlling gearshift movements in an automatic gearbox and a reducing gear system in a motor vehicle uses two gear speed stages

摘要

A reducing gear system (2) has two gear speed stages. Gear shifts in a gearbox (1) are executed in two or more different types of operation, i.e. an automatic gearbox uses first and second operating methods with first and second gear speed stages engaged respectively. Relying on detected values of travel and control devices (3,6) executes gearshift routines.