| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prolong an execution time of fuel cut control while suppressing the generation of a gearshift shock. <P>SOLUTION: When downshift control is performed during fuel cut control (when coast-down gearshift control is performed), the number of fuel cut reset revolutions is reduced and set to the number of revolutions Ndwn that is smaller than the number of fuel cut reset revolutions Nnor for normal control. By such setting, it becomes possible to maintain fuel cut control and deceleration lockup slippage control even if the number of engine revolutions NE is temporarily reduced during the execution of coast-down gearshift control so that improvement in fuel consumption can be achieved. Moreover, it becomes unnecessary to set a downshift gearshift line to a higher vehicle speed side, so fuel cut can be maintained while suppressing the generation of a gearshift shock. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
