(19)
(11) EP 2 037 118 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
09.01.2013 Bulletin 2013/02

(43) Date of publication A2:
18.03.2009 Bulletin 2009/12

(21) Application number: 08253013.0

(22) Date of filing: 12.09.2008
(51) International Patent Classification (IPC): 
F02N 11/10(2006.01)
F02D 41/34(2006.01)
F02N 15/02(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 13.09.2007 JP 2007238162

(71) Applicant: Toyota Jidosha Kabushiki Kaisha
Toyota-shi, Aichi-ken 471-8571 (JP)

(72) Inventors:
  • Ando, Yasushi
    Toyota-shi, Aichi-ken 471-8571 (JP)
  • Kobayashi, Kazuchio
    Toyota-shi, Aichi-ken 471-8571 (JP)
  • Mizutani, Koichi
    Toyota-shi, Aichi-ken 471-8571 (JP)

(74) Representative: Albutt, Anthony John 
D Young & Co LLP 120 Holborn
London EC1N 2DY
London EC1N 2DY (GB)

   


(54) Start control device for internal combustion engine


(57) A target rotation angle of a crank angle between a crank angle stored upon stoppage of a crankshaft (8) and a reference position (45b) is computed. Then, the presence of a failure in the starting means (20) is determined based on whether a missing tooth part (45b) is detected when the crankshaft (8) rotates by the target rotation angle from the rotation stop position of the crankshaft (8) after an engine (1) is started by a starting means (20). If the missing tooth part (45b) is not detected when the crankshaft (8) rotates by the target rotation angle from the rotation stop position of the crankshaft (8), it is determined that the starting means (20) has a failure because there is a high possibility of a reverse rotation of the crankshaft (8) due to a failure in the starting means (20).







Search report









Search report