Engine and Emission Control Overall System - System Chart
EF & EC-8flowchartSystem Chart
E.C.C.S. control unit inputs
Crank angle sensor
Air flow meter
Engine temperature sensor
Ignition switch
Throttle sensor
Neutral switch
Air conditioner switch
Battery voltage
Power steering pressure switch
Vehicle speed sensor
Load switch
Exhaust gas sensor
Heater fan switch
ABS (N-CVT vehicle)
E.C.C.S. control unit functions / outputs
Fuel injection & mixture ratio control
OutputInjectors
Ignition timing control
OutputPower transistor
Idle speed control
OutputAuxiliary air control (A.A.C.) valve and F.I.C.D. solenoid valve
Fuel pump control
OutputFuel pump relay
Self diagnosis
OutputInspection lamp (on the control unit)
Radiator fan control
OutputRadiator fan relay
Air conditioning cut control
OutputAir conditioner relay
Torque signal/Water temperature switch signal
OutputN.CVT control unit
Exhaust gas sensor heater control
OutputExhaust gas heater