Document Type and Number:
Japanese Patent JPH0222225
Kind Code:
B2
Abstract:
The idle air flow is adjusted by a step motor depending upon a drive signal applied to the step motor, so as to control the idling rotational speed of the engine. When the engine is under a certain operating condition during cranking, in which condition the step motor cannot be normally actuated, the drive signal is inhibited from being applied to the step motor.
Inventors:
NAKANO JIRO
WATANABE YOHEI
WATANABE YOHEI
Application Number:
JP512881A
Publication Date:
May 17, 1990
Filing Date:
January 19, 1981
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD
International Classes:
F02D41/16; F02D31/00; F02D33/00; F02D41/06; F02D11/10