| 摘要 |
A vehicle has a lockable differential. The lockable differential generally comprises an actuator and a locking mechanism. The vehicle also has a motor. The actuator, the motor or both are controlled according to a control routine that reduces wear on the components by reducing the likelihood that a locked differential will be requested when locking is not very practical. In one arrangement, actuation only occurs below a preset threshold speed and can occur through a specified range defined between the preset threshold and a second threshold. In another arrangement, the motor speed is controlled when actuation is desired such that motor speed is reduced to a lockable speed range.
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