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FUEL TEMPERATURE COMPENSATION Input/output signal line Fuel temperature sensor E Fuel temperature ECM E Electric Crankshaft position sensor (TDC) E Engine speed Control sleeve position sensor E Control sleeve position The amount of fuel leaking at or around high-pressure parts inside the fuel injection pump varies with fuel DECELERATION CONTROL Input/output signal line Accelerator sensor E Accelerator position ECM E Electric Camshaft position sensor (PUMP) E Engine speed The ECM cuts power supply delivery to the electric governor during deceleration for better fuel efficiency. ENGINE AND EMISSION BASIC CONTROL SYSTEM DESCRIPTION CD20T Fuel Injection System (Cont’d) EC-17 |