Patent ID: 6935455

Claim:
A drive system control method for a vehicle wherein a clutch device whose connection force is variable is provided between a front wheel torque transmission axle and a rear wheel torque transmission axle for transmitting a torque of a prime mover to the front wheel torque transmission axle and the rear wheel torque transmission axle for four-wheel traveling of the vehicle and wherein the degree of the connection between the front wheel torque transmission axle and the rear wheel torque transmission axle is variable in dependence on the connection force of the clutch device, the drive system control method comprising the steps of: judging whether or not one paired wheels of the front wheels and the rear wheels are slipping, in an ordinary mode wherein the vehicle is able to perform the four-wheel traveling; and when the one paired wheels are judged to be slipping, switching the operating mode of the vehicle from the ordinary mode to an anti-vibration mode in which the connection force of the clutch device is weakened compared to that in the ordinary mode.