VEHICLE CONTROL SYSTEM, AND VEHICULAR ELECTRONIC CONTROL UNIT

摘要

Provided is a vehicle control system for reducing electric power consumption by causing individual electronic control units (ECU) to optimally sleep or wake up, in which vehicle control system safety can be ensured in the event of failure in a communication network or the ECUs. A vehicle control system (1) which is provided with a plurality of ECUs for exchanging information via a communication network (2) and in which the plurality of ECUs are divided into clusters is provided with: a sleep/wake-up transition unit (23) for sleeping or waking up on the basis of a sleep/wake-up request signal (S1); and a sleep avoidance unit (24) that avoids continuation of sleep of the plurality of ECUs or transition to sleep thereof when abnormality develops in any of the plurality of ECUs or the communication network (2).