ENGINE AND EMISSION CONTROL OVERALL SYSTEM — System Diagram
EF & EC-6wiring diagramCatalyst and Carbon canister items marked with asterisk (*) — applicable to 'Model with catalyzer' only.
System Diagram
NOTE
*Model with catalyzer
Component LocationFig. fig1
Overall engine and emission control system diagram for CA18DET engine showing all ECU inputs, outputs, and controlled components.
SEF397H
1Ignition switch (ST, IG)(left side, upper area)
2Crank angle sensor(upper left, connected to distributor)
3Transmission(upper center-left)
4Vehicle speed sensor(upper center)
5Air cleaner(upper right)
6Resonator(upper far right)
7Air flow meter(upper right)
8E.C.U.(center left)
9Power transistor unit(center, connected to ECU)
10Ignition coil(center)
11Spark plug(center)
12Turbocharger unit(right side, upper-center)
13Exhaust gas sensor(right side, center)
14Intercooler(center-left)
15Air regulator(center)
16P.C.V. valve(center)
17Injector(center-right)
18Fuel pressure regulator(center)
19Engine temperature sensor(center-right)
20Detonation sensor(right center)
21Catalyst*(right side, lower-center)
22Idle switch & Throttle sensor(center-left, lower)
23F.I.C.D.(left-center, lower)
24A.A.C. valve(left-center, lower)
25From air conditioner(left, lower)
26Carbon canister*(lower center-left)
27Pressure regulator control solenoid valve(lower center)
28Fuel pump(lower right)
29Fuel tank(lower far right)
Engine and Emission Control Overall System
Components (29)
E.C.U.Ignition switchCrank angle sensorTransmissionVehicle speed sensorAir flow meterAir cleanerResonatorPower transistor unitIgnition coilSpark plugTurbocharger unitExhaust gas sensorIntercoolerAir regulatorP.C.V. valveInjectorFuel pressure regulatorEngine temperature sensorDetonation sensorCatalyst*Idle switch & Throttle sensorF.I.C.D.A.A.C. valveFrom air conditionerCarbon canister*Pressure regulator control solenoid valveFuel pumpFuel tank
Connections (28)
Ignition switch
Ignition switchE.C.U.
Crank angle sensor
Crank angle sensorE.C.U.
Transmission
TransmissionE.C.U.
Vehicle speed sensor
Vehicle speed sensorE.C.U.
Air flow meter
Air flow meterE.C.U.
Air flow meterTurbocharger unit
E.C.U.
E.C.U.Power transistor unit
E.C.U.Injector
E.C.U.Air regulator
E.C.U.F.I.C.D.
E.C.U.A.A.C. valve
E.C.U.Pressure regulator control solenoid valve
E.C.U.Fuel pump
Power transistor unit
Power transistor unitIgnition coil
Ignition coil
Ignition coilSpark plug
Exhaust gas sensor
Exhaust gas sensorE.C.U.
Engine temperature sensor
Engine temperature sensorE.C.U.
Detonation sensor
Detonation sensorE.C.U.
Idle switch & Throttle sensor
Idle switch & Throttle sensorE.C.U.
From air conditioner
From air conditionerE.C.U.
Fuel tank
Fuel tankFuel pump
Fuel pump
Fuel pumpFuel pressure regulator
Fuel pressure regulator
Fuel pressure regulatorInjector
Carbon canister*
Carbon canister*Pressure regulator control solenoid valve
Turbocharger unit
Turbocharger unitIntercooler
Intercooler
IntercoolerIdle switch & Throttle sensor
Air cleaner
Air cleanerAir flow meter
Resonator
ResonatorAir cleaner