Computers and Control Systems: Locations

Engine Management System Component Location





1. Engine control module

2. Relays in underhood fuse/relay box
- Main relay
- Ignition relay
- Starter motor relay
- Fuel pump relay

3. Engine Fuel Temperature Sensor

4. Inertia Switch

5. Heated Oxygen Sensor (4)

6. Knock Sensors (2)

7. Ignition Coils

8. Crankshaft Position Sensor

9. Fuel Pressure Regulator

10. Evaporative Emissions Purge Valve / Canister

11. Mass Air Flow Sensor

12. Fuel Injectors

13. Intake Air Temperature Sensor

14. Idle Air Control Valve

15. Throttle Position Sensor

16. Camshaft Position Sensor

17. Engine Coolant Temperature Sensor