JP2006152868A5 - - Google Patents

Claims (5)

Driving force generating means including at least an engine, a transmission for shifting the driving force generated by the driving force generating means and transmitting the driving force to driving wheels, and hydraulic pressure that is driven by the driving force generating means and is supplied to the transmission A mechanical oil pump; and an electric oil pump that is started when the engine is stopped and supplies hydraulic pressure to the transmission and stops when the engine is started, and automatically stops and automatically starts the engine under predetermined conditions. In a vehicle control device,
A failure determination means for determining whether or not the electric oil pump is in failure is provided, and the engine automatic stop processing and automatic start processing are executed even when the failure determination means determines that the electric oil pump is in failure. A control apparatus for a vehicle.   When it is determined by the failure determination means that the electric oil pump is in failure, the engine is forcibly restarted after the engine is substantially stopped by executing the engine automatic stop process. The vehicle control device according to claim 1. Driving force generating means including at least an engine, a transmission for shifting the driving force generated by the driving force generating means and transmitting the driving force to driving wheels, and supplying hydraulic pressure to the transmission driven by the driving force generating means A mechanical oil pump; and an electric oil pump that is started when the engine is stopped and supplies hydraulic pressure to the transmission and stops when the engine is started. The engine is automatically stopped and automatically started under a predetermined condition. In a vehicle control device,
A failure determination unit that determines whether or not the electric oil pump is in failure, and performs a determination by the failure determination unit each time a predetermined condition for automatically stopping the engine is satisfied,
When it is determined by the failure determination means that the electric oil pump is in failure, the engine is forcibly restarted after the engine is substantially stopped by executing the engine automatic stop process. A vehicle control device characterized by the above. The vehicle control device according to claim 2 or 3, wherein the restarting of the engine is performed by cranking the engine with the power of a motor. The failure determination by the failure determination means includes a failure of a drive device that drives the electric oil pump, a current abnormality of a drive circuit of the electric oil pump, a state failure of a power source that supplies power to the drive motor of the electric oil pump, The vehicle control device according to any one of claims 1 to 4, wherein the determination is made including at least one of communication abnormality with the driving device.