With such a construction, after a speed change requirement is detected, {HEAD ~ the input torque} is reduced by a predetermined amount by {TAIL ~ the input torque reduction step} or device, and when a time corresponding to the speed change element engagement commencement time during speed change is detected, the reduction control of the input torque by said input torque reduction step or device is completed 
is reduced by
With such a construction , after a speed change requirement is detected , { HEAD ~ the input torque } is reduced by a predetermined amount by { TAIL ~ the input torque reduction step } or device , and when a time corresponding to the speed change element engagement commencement time during speed change is detected , the reduction control of the input torque by said input torque reduction step or device is completed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH