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Automated Manual Transmission
Contents
Introduction: ........................................................................................................................... 1
System Components: ............................................................................................................... 2
Power Unit (1): .................................................................................................................... 3
1. Electric Pump:.................................................................................................................. 3
2. Pressure Accumulator: ..................................................................................................... 3
3. Oil Reservoir: ................................................................................................................... 4
Electro hydraulic Unit (2): .................................................................................................... 4
Hydraulic Diagram:................................................................................................................... 5
Electrical Components Of The Hydraulic Unit:........................................................................... 6
Proportional Pressure Solenoid Valve: ................................................................................. 6
On-Off Solenoid Valves for Controlling The Position Selection Actuator: .............................. 7
Proportional Flow Rate Solenoid Valve: ............................................................................... 7
Electrical Wiring:...................................................................................................................... 9
Line Pressure Sensor:......................................................................................................... 10
Clutch Rpm Sensors: .......................................................................................................... 10
Engagement and Selection Position Sensors:...................................................................... 10
CSC Clutch Actuator: .......................................................................................................... 10
PLCD Clutch Position Sensor: ............................................................................................. 11
Mechanical Components of the Unit: ................................................................................. 13
Gear Engagement and Selection Shaft:............................................................................... 13
Electronic Control Unit: ..................................................................................................... 13
System Input Signals:......................................................................................................... 16
User Interfaces – System: ....................................................................................................... 16
System Operation (In the Absence Of Faults): .................................................................... 17
Pressurisation of the Hydraulic Circuit: .............................................................................. 17
Automatic Engagement of the Clutch Downhill With the Accelerator Pedal: ....................... 17
Released: .......................................................................................................................... 17
Vehicle Slowdown ............................................................................................................. 17
Turning Off the Engine and System: ................................................................................... 17