| 摘要 |
The states of two solenoids which control four forward gears of a transmission, are toggled between ON and OFF states in response to the outcome of a comparative ranging of a ratio with limits derived from pre-recorded data. In the case of a power ON upshift data which is recorded in terms of throttle opening is used. On the other hand, when a power OFF upshift is induced by releasing the vehicle accelerator pedal, data which is recorded in terms of vehicle speed is used to set the limits.
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