Emission Control Systems

EMISSION CONTROL SYSTEM AND VACUUM FITTING
SCHEMATIC DRAWING
1. Engine Control Module (ECM)
2. Ignition Coil
3. Igniter
4. Crankshaft Position Sensor
5. Camshaft Position Sensor
6. Throttle Position Sensor
7. Fuel Injectors
8. Pressure Regulator
9. Engine Coolant Temperature Sensor
10. Mass Air Flow Sensor
11. Idle Air Control Solenoid Valve
12. Purge Control Solenoid Valve
13. Fuel Pump
14. PCV Valve
15. Air Cleaner
16. Canister
17. Main Relay
18. Fuel Pump Relay
19. Fuel Filter
20. Front Catalytic Converter
21. Rear Catalytic Converter
22. Exhaust Gas Recirculation (EGR) Valve
23. EGR Control Solenoid Valve
24. Radiator Fan
25. Radiator Fan Relay
26. Pressure sources switching Solenoid Valve (A/T Model Only)
27. Knock Sensor
28. Back-Pressure Transducer (A/T Model Only)
29. Front Oxygen Sensor
30. Rear Oxygen Sensor
31. Pressure Sensor (A/T Model Only)
32. Air Conditioning (A/C) Compressor
33. Inhibitor Switch
34. Malfunction Indicator Lamp ("ENGINE CHECK" Light)
35. Tachometer
36. A/C Relay
37. A/C Control Module
38. Ignition switch
39. Transmission Control Module (TCM) (A/T Model Only)
40. TCS Control Module (TCS Equipped Models)
41. Vehicle Speed Sensor
42. Data Link Connector (Subaru Select Monitor)
43. Data Link Connector (OBD-II General Scan Tool)
44. Two way Valve