Vehicular shift control apparatus
US8734295B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2012 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Nov 23, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2061/1292
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vehicular shift control apparatus for a vehicle provided with a parking lock device selectively switched to a locking position in which rotation of wheels of the vehicle is prevented and a non-locking position in which the rotation of the wheels is not prevented, by an operation of an electrically operated actuator, the vehicular shift control apparatus being configured to perform a failure diagnosis to determine whether the actuator is operable or not, the vehicular shift control apparatus includes: the vehicular shift control apparatus permits the operation of the actuator if a supply voltage to the actuator is raised from a value lower than a predetermined threshold supply voltage value to a value not lower than the threshold supply voltage value after a determination that the actuator is inoperable is obtained in the failure diagnosis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.