Title:
VEHICULAR CONTROL SYSTEM
Document Type and Number:
Japanese Patent JP3888225
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a vehicular control system that can increase reliability further even when safe running of a vehicle for repair is executed, by executing more suitable fail-safe processing after an anomaly determination about an electronic control unit.
SOLUTION: The system is mounted on a vehicle having a control microcomputer 31 for electronically controlling operating modes of fuel injection valves and spark plugs in dependence on an operating state of an on-vehicle engine, and a monitoring microcomputer 32 for determining an anomaly occurring in the control microcomputer 31. When an anomaly occurs in the control microcomputer 31, a throttle valve is fixed at a given opening angle and the operating modes are controlled by the control microcomputer 31 to provide fail-safe vehicle running. The monitoring microcomputer 32 stops the operation of the engine forcibly if conditions are met, or for example, a fuel injection valve whose fuel injection is basically prohibited under a cylinder cutoff operation or the like injects fuel, and an engine speed exceeds a given speed.
Inventors:
Yasuhiro Tanaka
Satoshi Miyazaki
Satoshi Miyazaki
Application Number:
JP2002138754A
Publication Date:
February 28, 2007
Filing Date:
May 14, 2002
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02D9/02; F02D11/10; F02D41/22; F02D17/02; F02D17/04; F02D41/02; F02D45/00; (IPC1-7): F02D41/22; F02D9/02; F02D11/10; F02D17/02; F02D17/04; F02D41/02; F02D45/00
Domestic Patent References:
| JP2000345899A | ||||
| JP7077093A | ||||
| JP11294252A | ||||
| JP2000257500A | ||||
| JP2001086639A | ||||
| JP9105349A | ||||
| JP5099061A |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda