| 摘要 |
PURPOSE: A shift shock preventive method by detecting the oil amount of an automatic transmission vehicle is provided to minimize shift shock in engaging gears, and to improve endurance by reducing torque of an engine. CONSTITUTION: The present state is detected according to the speed range, the opening degree of a throttle valve and position of a brake switch in operating an automatic transmission, and the present oil flow from an oil chamber is detected with an oil amount detecting unit. Oil temperature is classified every 5 deg.C within the range of 20 - 65 deg.C. Temperature of an electric terminal is divided into 10 stages, and converted into voltage signals to an ECU(Electronic Control Unit). The ECU decides the delay range angle corresponding to the voltage signal in case of input of the brake switch and the throttle valve opening degree to be zero, and delays the ignition according to the signal.
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