Ignition System, Engine Control System

Underhood Wiring:

1. Fuel pump relay
2. Pressure regulator
3. Injector
4. Engine coolant temperature sensor
5. Powertrain control module (PCM)
6. Mass air flow sensor
7. Throttle position sensor
8. Camshaft position sensor (MT only)
9. PCM power relay
10. Idle air control solenoid sensor (MT only)
12. EGR vacuum regulator solenoid (MT only)
13. Intake air temperature sensor
14. A/C pressure switch
15. Wide open throttle A/C cutoff relay
16. EGR valve (MT only) (not shown)
17. Octane adjust shorting bar
18. Fuel filter (high-pressure side) (not shown)
19. PCV valve (not shown)
20. Crankshaft position sensor
21. Charcoal canister (not shown)
22. Heated oxygen sensor (not shown)
23. Park/Neutral position switch (AT only) (not shown)
24. Vehicle speed sensor (not shown)
25. Stoplight switch (not shown)
26. Power steering pressure switch