E.G.R. System - System Diagram
EF & EC-717component photoTwo diagrams: CD17 engine (upper) and CD20 engine (lower). The CD20 system additionally includes a throttle valve controller and its solenoid valve.
System Diagram
Component LocationFig. fig1
E.G.R. system layout for CD17 engine: control unit, solenoid valve (E.G.R. control valve), E.G.R. control valve, vacuum pump, intake manifold, air cleaner, water temperature sensor, potentiometer, revolution sensor and injection pump.
SEC642B
1Solenoid valve (E.G.R. control valve)(top center)
2E.G.R. control valve(center)
3Intake manifold(center right)
4Air cleaner(right)
5Vacuum pump(center left)
6Water temperature sensor(right)
7Control unit(lower left)
8Potentiometer(center)
9Revolution sensor(center)
10Injection pump(lower center)
Component LocationFig. fig2
E.G.R. system layout for CD20 engine: control unit, solenoid valve (throttle valve controller), throttle valve controller, solenoid valve (E.G.R. control valve), E.G.R. control valve, vacuum pump, intake manifold, air cleaner, water temperature sensor, potentiometer, revolution sensor and injection pump.
SEC584B
1Solenoid valve (Throttle valve controller)(top center)
2Throttle valve controller(top right)
3Solenoid valve (E.G.R. control valve)(center top)
4E.G.R. control valve(center)
5Intake manifold(center right)
6Air cleaner(right)
7Vacuum pump(center left)
8Water temperature sensor(right)
9Control unit(lower left)
10Potentiometer(center)
11Revolution sensor(lower center)
12Injection pump(lower center)