| 摘要 |
A transmission control wherein modulating solenoid valves provide for continued governor and accumulator trim boost in the event of a malfunction in either the electrical or the hydraulic system. The transmission control provides redundancy to permit continued operation in the event one of the modulating solenoid valves fails. A single interlock valve is employed to prevent the two modulating solenoid valves from pressurizing the governor and the trim boost circuits when the transmission is operating in the reverse drive range.
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