| 摘要 |
PURPOSE: A control device of auto transmission performing shift by operating a plurality of solenoids is provided to remove a private circuit for detecting the malfunction by shifting gears to a target transmission gear, if the off malfunction is detected. CONSTITUTION: A manual valve(20) is operated by the driver manipulation about a select lever(41). A pressure control valve(21) for low clutch has a low clutch solenoid. The pressure control valve for a low clutch is a three-way bulk linear solenoid valve by normal high. A changeover valve(26) converts a flow path which can be connected with a changeover signal valve(27) according to a change over signal. |
