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IDLE CONTROL Input/output signal line Engine coolant temperature sensor E Engine coolant temperature ECM E Electric Crankshaft position sensor (TDC) E Engine speed Air conditioner switch E Air Conditioner operation Control sleeve position sensor E Control sleeve position Accelerator position switch E Idle position Vehicle speed sensor E Vehicle speed When the ECM determines that the engine speed is at idle, the fuel injection system is adapted for the idle NORMAL CONTROL Input/output signal line Crankshaft position sensor (TDC) E Engine speed ECM E Electric Control sleeve position sensor E Control sleeve position Accelerator position sensor E Accelerator position Vehicle speed sensor E Vehicle speed The amount of fuel injected under normal driving conditions is SEF649S ENGINE AND EMISSION BASIC CONTROL SYSTEM DESCRIPTION TD27Ti Fuel Injection System (Cont’d) EC-330 |