Foley & Lardner LLP
Transmission control device and transmission control method
In a transmission control device for controlling a transmission, a controller determines failure of a SOL corresponding to a hydraulic primary-pressure actuator. The controller variably controls line command pressure, and in a case where the failure is determined, continuously changes a speed ratio of a variator by variably controlling the line command pressure. The controller variably controls primary command pressure, and in a case where the failure is determined, fixes the primary command pressure to a primary pressure set value. The controller variably controls secondary command pressure, and in a case where the failure is determined, fixes the secondary command pressure to a secondary pressure set value.
NISSAN MOTOR CO., LTD. JATCO LTD
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Haruka Kosuke Masahiro Youji
Ozono Abe Hamano Itou