Automatic transmission control system

作者: Naotaka Hirami , Shinya Kamada , Takeyoshi Kawa , Kazushi Kurokawa , Hiroshi Shinozuka

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摘要: A control system for an automatic transmission having friction coupling elements, at least one of which is locked in 3rd and 4th gears unlocked 1st 2nd gears, includes a first shift valve shiftable between second gear engine brake available, solenoid providing pressure selectively directed to these valves cause them so as lock or unlock the elements.

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