Valve block diagram of automatic transmission 5HP19
1. Entrance part
* Filter
* Pump suction valve
* Pump pressure regulator
* Freewheel valve (TCC)
2. Main pressure regulator
* Pulse Width Modulator (PWM)
* Electronic control unit (ECU)
* Pressure regulation solenoid
3. Gear shift valves
* First gear solenoid
* Second gear solenoid
* Third gear solenoid
* 4th gear solenoid
* Fifth gear solenoid
4. Clutch activation valves
* Direct Drive Solenoid
* Torque converter lock-up solenoid (TCC)
5. Flow control valves
* Torque converter lock-up control valve
* Shift overlap control valve
* Clutch pressure release control valve
6. Pressure relief valves
* Clutch pressure relief valve
* Torque Converter Pressure Relief Valve
7. Output part
* Pressure control module
* Reverse clutch pressure release solenoid
* Reverse solenoid
Color coding
* Blue: Filter, pump suction valve
*Red: Pump pressure regulator, freewheel valve
*Yellow: Main pressure regulator, pressure regulation solenoid
*Green: Shift valves
*Orange: Clutch actuation valves
*Purple: Flow control valves
* Blue: Pressure relief valves
*Black: Pressure control module, reverse solenoids