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Title:
CONTROLLER OF VEHICLE HYDRAULIC PRESSURE CONTROL CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2010/079622
Kind Code:
A1
Abstract:
The controller of a vehicle hydraulic pressure control circuit which is capable of improving reliability of a hydraulic pressure switch provided to the vehicle hydraulic pressure control circuit. When restorable abnormality such as contact corrosion of the hydraulic pressure switch (SW) occurs, abnormality of the hydraulic pressure switch (SW) is detected. In this case, an abnormality removal means (140) is executed; thereby, the contact corrosion can be removed. Consequently, abnormality detection is executed again after the contact corrosion is removed, so that the abnormality detection of the hydraulic pressure switch (SW) can be more reliable.

Inventors:
ENDO, Hiroatsu (1 Toyota-cho, Toyota-sh, Aichi 71, 47185, JP)
遠藤 弘淳 (〒71 愛知県豊田市トヨタ町1番地 トヨタ自動車株式会社内 Aichi, 47185, JP)
Application Number:
JP2009/050258
Publication Date:
July 15, 2010
Filing Date:
January 09, 2009
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shi Aichi, 71, 47185, JP)
トヨタ自動車株式会社 (〒71 愛知県豊田市トヨタ町1番地 Aichi, 47185, JP)
ENDO, Hiroatsu (1 Toyota-cho, Toyota-sh, Aichi 71, 47185, JP)
International Classes:
F16H61/12; F16H59/68
Foreign References:
JP2007057057A
JP2007046621A
JPH1182724A
JP2008261430A
JP2005195042A
Attorney, Agent or Firm:
IKEDA, Haruyuki (Ikeda Patent Office, Nagoya-Dia. Bldg. No.215-1 Meieki 3-chome, Nakamura-k, Nagoya-shi Aichi 02, 45000, JP)
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