Multiple microcomputer system with comonitoring/back-up for an automotive vehicle

摘要

An electronic control system for an automotive vehicle including an engine control system for controlling the engine operation using a microcomputer and a vehicle driving information system for preparing and displaying various driving information using another microcomputer, wherein a back up program is assembled into each microcomputer for backing up at least the critical jobs of the partner microcomputer when the partner fails so as to ensure continuing, safe operation of the vehicle.