| 摘要 |
<p>PURPOSE: To prevent the deterioration of the riding comfort when the opening/ closing condition of an EGR valve for the cut-off cylinder group is changed as the cut-off cylinder group is changed. CONSTITUTION: A circulation control means 109 to control the opening of an opening/closing valve 106 provided in a circulation passage 105 of a cylinder group 101 to cut-off the combustion as the combustion cylinder group 101 is changed, and a switching control detecting means 110 to detect the switching control condition of the opening/closing valve 106 by the circulation control means 109 as the combustion cylinder group 101 is changed are provided. A lock-up control means 111 to keep a lock-up clutch 107 in the non-complete engaged condition while the switching control achieving condition of the opening/closing valve 106 is detected by this switching control detecting means 110.</p> |
