Computers and Control Systems

CONTROL SYSTEM DIAGRAM

1. Air cleaner
2. IAT sensor
3. MAF sensor
4. Throttle body
5. Fast idle air valve
6. TP sensor
7. Idle air adjusting screw
8. IAC Valve
9. Tank pressure control solenoid vacuum valve
10. EVAP canister purge valve
11. CMP sensor
12. Ignitor
13. Ignition coil
14. VSS
15. CKP sensor
16. TCM
17. A/C amplifier
18. ABS control module
19. DLC
20. PSP switch
21. Diag.switch
22. Test switch
23. Tank pressure sensor
24. Fuel level meter
25. MIL ("SERVICE ENGINE SOON" light)
26. EVAP canister
27. Tank pressure control valve
28. EVAP canister air valve
29. Fuel pressure regulator
30. Fuel filter
31. Fuel pump
32. Fuel level sensor (gauge)
33. PCV valve
34. Fuel injector
35. Fuel delivery pipe
36. ECT sensor
37. Intake manifold
38. EGR valve
39. Manifold differential pressure sensor
40. EGR solenoid vacuum valve (for system check)
41. EGR pressure transducer
42. EGR solenoid vacuum valve
43. TWC
44. HO2S-1
45. HO2S-2
46. Clutch pedal position switch (M/T) or Transmission range switch (A/T)
47. Starter magnetic switch
48. Ignition switch
49. Main fuse
50. Battery
51. ECM





ECM TERMINAL IDENTIFICATION