ENGINE START CONTROLLER, ENGINE START CONTROL METHOD, AND RECORDING MEDIUM HAVING PROGRAM RECORDED THEREIN FOR PERFORMING THE METHOD

Title:

ENGINE START CONTROLLER, ENGINE START CONTROL METHOD, AND RECORDING MEDIUM HAVING PROGRAM RECORDED THEREIN FOR PERFORMING THE METHOD

Document Type and Number:

WIPO Patent Application WO/2003/083289

Kind Code:

A1

Abstract:

An engine start system comprises a starter (600) for starting an engine, a starter drive relay (300) for controlling the starter (600), and an engine ECU (100) connected to a starter switch (200) for on-off controlling the starter drive relay (300) on the basis of predetermined start conditions. The engine start system includes a normally closed relay (400) connected to the starter switch (200), engine ECU (100), and starter (600), and adapted to establish an electrically non-conductive state between the starter switch (200) and the starter (600) when an exciting coil is energized from the engine ECU (100) and to establish an electrically conducive state between the starter switch (200) and the starter (600) when the exciting coil is not energized. The engine ECU (100) includes a circuit adapted to energize the exciting coil for the normally closed relay (400) when the engine ECU (100) is turned on.

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Inventors:

KITAGAWA TAKUMI (JP)

Application Number:

PCT/JP2003/001893

Publication Date:

October 09, 2003

Filing Date:

February 20, 2003

Export Citation:

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Assignee:

TOYOTA MOTOR CO LTD (JP)
KITAGAWA TAKUMI (JP)

International Classes:

F02D45/00; F02N11/08; F02N15/00; F02N11/10; (IPC1-7): F02N11/08; F02D45/00

Foreign References:

US4862010A	1989-08-29
JPS63154773U	1988-10-11
JPH076469A	1995-01-10
JPS63297767A	1988-12-05
US4862010A	1989-08-29

Other References: