METHOD FOR CONTROLLING TRANSMISSION
Document Type and Number:
Japanese Patent JP3902379
PROBLEM TO BE SOLVED: To provide a reliability improved method for controlling a reverse gear shifting in a transmission having an automatic gear shifting and the step gear shifting mode if a shift sensor fails.
SOLUTION: In the step less transmission having the automatic gear shifting and the step gear shifting mode, a vehicle is regarded as the reverse gear running and a controller 22 controls a reverse gear shifting, only when a reverse switch 20a is switched on by shifting a sub transmission lever 20 into R range and a shift sensor 27 detects that a vehicle is in a reverse running conditions. It is characterized in that the controller 22 can stop the ignition to the engine controlling the revolution so that a predetermined minimum limit is not exceeded regarded as an abnormal operation if a D or L range at the forward side remains indicated by failure of a sensor 27.
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F16H47/02; F16H61/12; F16H59/42; F16H61/42; F16H63/50; F16H59/06; F16H59/10; F16H59/70; F16H61/46; (IPC1-7): F16H61/12; F16H47/02; F16H59/42; //F16H59:06; F16H59:10