Title:
IDLE ENGINE SPEED CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP3637099
Kind Code:
B2
Abstract:
PURPOSE: To prevent mis-judging so as to be abnormal regardless of being normal and judge an abnormality more accurately, in an idle rotation speed control device having an abnormality judgement function.
CONSTITUTION: When a brake switch 24 is changed (repeat of on, off), when a throttle valve opening θTH is bigger than a prescribed opening, when an air fuel ratio correction coefficient KO2 is in a limit value pasting state, or when the absolute pressure PBA in an intake pipe of MT vehicle is higher than a prescribed pressure PBHFCL, an abnormality judging process of an idle rotation speed control device is not carried out based on the rotation speed NE of an engine and the control current IACT of an auxiliary air amount control valve 21.
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Inventors:
Fumio Hara
Takashi Isobe
Takashi Isobe
Application Number:
JP10788995A
Publication Date:
April 06, 2005
Filing Date:
April 07, 1995
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F02D45/00; F02D9/02; F02D29/02; F02D31/00; F02D41/14; F02D41/16; F02D41/22; (IPC1-7): F02D41/16; F02D9/02; F02D29/02; F02D45/00
Domestic Patent References:
| JP7077093A | ||||
| JP2230941A | ||||
| JP60104738A | ||||
| JP6280653A |
Attorney, Agent or Firm:
Toshihiko Watanabe
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