| 摘要 |
In a system for controlling an automatic transmission, at the time of ultra-low temperature start with the oil temperature of -20° C. or less, control is carried out such that when the state that the actual line pressure is equal to or greater than an ultra-low set value continues for a period longer than a line-pressure low-pressure control command set time, it is determined that the line pressure is under regulation, maximizing an indicated value of the line pressure.
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