| 摘要 |
A power supply for vehicles comprises a rush current limitation circuit, a booster circuit, a backup power supply circuit, a first wire harness and a second wire harness. An airbag control ECU is connected to the first wire harness. An engine control ECU, an electrically-driven power steering control ECU, an air-conditioning control ECU and a brake control ECU are connected to the second wire harness. Thus, only one power supply circuit common to the individual vehicle control apparatus is employed in a vehicle so that a vehicle control system comprising a plurality of ECUs can be made compact while the performance of the system can still be maintained.
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