ENGINE AND EMISSION CONTROL OVERALL SYSTEM
EF & EC-7flowchartExhaust gas sensor and exhaust gas sensor monitor are applicable to models with catalyzer only. Neutral switch applies to M/T vehicles; Inhibitor switch applies to A/T vehicles.
System Chart
E.C.C.S. CONTROL
E.C.C.S. Control System Chart
Crank angle sensor
Air flow meter
Engine temperature sensor
Exhaust gas sensor*
Ignition switch
Idle switch
Throttle sensor
Air conditioner switch
Neutral switch (M/T) Inhibitor switch (A/T)
Vehicle speed sensor
Detonation sensor
Battery
Air flow meter Engine temperature sensor
E.C.C.S. control unit
E.C.C.S. control unit
Fuel injection & mixture ratio control
E.C.C.S. control unit
Ignition timing control
E.C.C.S. control unit
Idle speed control
E.C.C.S. control unit
Fuel pump control
E.C.C.S. control unit
Air regulator control
E.C.C.S. control unit
Acceleration cut control
E.C.C.S. control unit
Exhaust gas sensor monitor* & self-diagnosis
E.C.C.S. control unit
Fuel pressure control
Fuel injection & mixture ratio control
Injectors
Ignition timing control
Power transistor
Idle speed control
Auxiliary air control (A.A.C.) valve
Fuel pump control
Fuel pump
Air regulator control
Air regulator
Acceleration cut control
Air conditioner relay
Exhaust gas sensor monitor* & self-diagnosis
Inspection lamps (On the control unit)
Fuel pressure control
Pressure regulator (P.R.) control solenoid valve
Fail-safe function
Air flow meter Engine temperature sensor