| 摘要 |
PURPOSE:To efficiently increase a temperature of intake air without worsening fuel consumption at cold time, relating to an automatic speed change control device used together with an engine in which the intake air temperature is increased by actuating a mechanical supercharger at the time of cold operation. CONSTITUTION:In an electronic control unit(ECU) 21, when a cooling water temperature, detected by a cooling water temperature sensor 11, is low obtained, a supercharge 5 is actuated even in a low load region to increase a temperature of intake air by compression. In the ECU21, a target intake air temperature is set based on the cooling water temperature and compared with the actual intake air temperature, detected by an intake air temperature sensor 17, to delay a shift up of an automatic transmission 30 only in the case of the actuate intake air temperature lower than the target intake air temperature. In the case of the actual intake air temperature higher than the target intake air temperature, the shift up is performed as in normal, so that an unnecessary low speed side gear operational region is prevented from spreading. |
