Patent ID: 6879892

Claim:
An electronic control system, comprising: an electronic control unit that starts and stops in accordance with a state of a power supply from a primary power source, and executes a plurality of predetermined process steps in an operating state; a first start-up device that outputs a start-up signal for starting up the electronic control unit; a second start-up device that is operated at least in a non-operating state of the electronic control unit, and outputs the start-up signal for starting up the electronic control unit when a predetermined condition has been established; and a power supply device that supplies power to the electronic control unit in response to the start-up signal of one of the first and the second start-up devices so as to operate the electronic control unit, wherein execution of at least one of the plurality of predetermined process steps that are directly performed by the electronic control unit is inhibited when the electronic control unit is started on the basis of the start-up signal of the second start-up device.