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Automatic transmission-7 Indicator lamp Figure 2.2 control system General The transmission has two sets of control system, a electric control system and a hydraulic control system. The electric control command of electric control system. Electric control system The electric control system consists of the sensor, TCU and 7 solenoid valves. TCU read in the data and make the output under the The figure includes all elements of electric control system involved in the section. throttle position open sensor Engine speed vehicle speed Transmission fluid temperature mode selection (instrument panel /console ) Gear sensor Forced step- decreasing K line shifting shifting line hydraulic
Solenoid valve 1 Solenoid valve 2 Solenoid valve 3 Solenoid valve 4 Solenoid valve 5 Solenoid valve 6 Solenoid valve 7 pressure regulating solenoid valve Mode indicator lamp Gear indicator lamp set and other necessary equipment indication |