Title:
ABNORMALITY DIAGNOSTIC DEVICE OF VEHICLE
Document Type and Number:
Japanese Patent JP2002138888
Kind Code:
A
Abstract:
To enhance failure detection accuracy of a control system by detecting a slight deterioration of a sensor, an actuator and the like.
In Step S3, it is judged whether or not an abnormal signal is included in various kinds of signals read-in. If the abnormal signal is included in Step S3, it is judged that a failure of a sensor system or a control system exists in Step S5. An energization is cut to a motor 31 of first and second throttle valves 5, 6. The first throttle valve 5 is operated at a default position and the second throttle valve is operated at a whole-closing position respectively.
Inventors:
KIYONO YUSUKE
KANEISHI JUNJI
UEDA TAKAYUKI
KANEISHI JUNJI
UEDA TAKAYUKI
Application Number:
JP2000337721A
Publication Date:
May 17, 2002
Filing Date:
November 06, 2000
Export Citation:
Assignee:
MAZDA MOTOR
International Classes:
B60W10/04; B60K6/20; B60K6/22; B60K6/543; B60W10/00; B60W10/06; B60W10/08; B60W10/10; B60W10/105; B60W10/18; B60W10/184; B60W20/00; F02D29/00; F02D29/02; F02D41/22; F02D45/00; (IPC1-7): F02D45/00; B60K6/02; B60K41/00; B60K41/28; F02D29/00; F02D29/02; F02D41/22
Attorney, Agent or Firm:
Yasunori Otsuka (2 outside)
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