ON-VEHICLE CONTROL DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a system which is provided in a vehicle including an idle stop system and reduces engagement noise by engaging a pinion and a ring gear with each other at an optimum timing.SOLUTION: An engine revolution speed in the future is estimated on the basis of the calculation result of revolution speed calculation means for an engine. When the estimated engine revolution speed is within a predetermined range, driving a starter by automatic startup means is permitted.