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Apparatus for controlling automatic transmission of motor vehicle

  • US 5,941,793 A
  • Filed: 02/28/1997
  • Issued: 08/24/1999
  • Est. Priority Date: 03/01/1996
  • Status: Expired due to Term
First Claim
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1. A shift control apparatus for an automatic transmission of a motor vehicle having an engine, including shift control means for selecting one of a plurality of gear position of the automatic transmission selectively in a first, normal shift control according to a predetermined first shift pattern or in a second shift control according to a predetermined second shift pattern, based on a driving condition of the vehicle, and automatically shifting the automatic transmission to the selected gear position, comprising:

  • output control member release determining means for determining whether an output control member for controlling an output of said engine has been released;

    return-to-normal determining means for determining whether a predetermined return-to-normal condition under which said shift control means resumes said first, normal shift control using said predetermined first shift pattern after said second shift control using said predetermined second shift pattern is satisfied, said return-to-normal condition causing the automatic transmission to be shifted up by said shift control means immediately after the normal shift control using the predetermined first shift pattern is resumed; and

    return-to-normal permitting means for permitting said shift control means to resume the first, normal shift control when said output control member release determining means determines that said output control member has been released, after said return-to-normal determining means determines that the predetermined return-to-normal condition is satisfied.

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