Method and apparatus for controlling a clutch in four-wheel drive vehicles

摘要

A system and method for detecting that a four-wheel drive manual transmission vehicle is being operated in a manner that could cause a clutch over-speed problem. Upon detecting that the vehicle is being operated in the manner that could cause the clutch over-speed problem, the system and method activate a braking countermeasure to remove the potential problem. In addition, a fault code may be stored for subsequent diagnostic measures and/or a fault indicator may be used to alert the driver of the problem.

主权项

1. A method of detecting and modifying an operating condition associated with a clutch over-speed condition in a four-wheel drive vehicle, said method comprising:
determining that a current vehicle speed is greater than a last known vehicle speed, the vehicle is in a low range operating mode, a vehicle clutch pedal is being depressed, and the vehicle is not in neutral; and applying brakes of the vehicle if it is determined that the current vehicle speed is greater than the last known vehicle speed, the vehicle is in the low range operating mode, the vehicle clutch pedal is being depressed, and the vehicle is not in neutral.