Computers and Control Systems

System Diagram:

1. Heater fan

2. Small, Tail, Side marker & license light

3. Rear defogger

4. Battery

5. Fuse (circuit fuse)

6. Ignition switch

7. Thermal engine room switch

8. High altitude compensator (HAC)

9. Ignition coil

10. Fuel cut solenoid

11. Electronic control module (ECM)

12. Air control actuator

13. Air cleaner

14. Thermo sensor

15. Vacuum switching valve (VSV)

16. Vacuum transmitting valve (VTV)

16-1. Brown side

17. Secondary throttle valve actuator

18. Wide open micro switch

19. Idle micro switch

20. Vapor storage canister

21. Check valve (black)

21-1. Orange side

22. Hot idle compensator (HIC)

23. Three way solenoid valve (TWSV)

24. Mixture control valve (MCV)

25. Choke piston

26. Idle up actuator

27. Mixture control solenoid valve (MCSV)

28. Vent solenoid valve

29. Distributor

30. Exhaust gas recirculation (EGR) valve

31. Three way solenoid valve (TWSV)

32. EGR modulator

33. Positive crankcase ventilation (PCV) valve

34. Bi-metal vacuum switching valve (BVSV)

35. Thermal switch

36. Oxygen sensor

37. Three way catalyst

38. Fifth switch

39. Jet (colorless)

39-1. Gray side

40. Check connector

41. "SENSOR" light

42. Mileage sensor and Cancel switch

43. Delay valve (orifice)

44. To fuel tank