Patent ID: 9353858
Filing Date: 2016-05-31
CPC Classification: B60W,F16H

Claim Text:
1. An abnormality detection device for a continuously variable transmission, the abnormality detection device comprising: a selection unit that receives an operation of selecting a range of the continuously variable transmission; a vehicle speed detection unit that detects a speed of a vehicle; an acquisition module that acquires a control variable for controlling an operation of a forward and reverse switching mechanism that is provided between an engine and a driving wheel to switch between forward rotation and reverse rotation of the driving wheel; and a determination module that determines the control variable for the forward and reverse switching mechanism to be abnormal in the case where a traveling range is selected by the selection unit, a vehicle speed detected by the vehicle speed detection unit is either higher than or equal to a predetermined speed, and the control variable for the forward and reverse switching mechanism, acquired by the acquisition module, has a value that does not allow a driving force of the engine to be transmitted.