Key to component location diagram:

1. Fuel injector
2. Fuel pressure regulator valve
3. Boost gauge trasducer
4. Vehicle Speed Sensor (VSS)
5. Manifold Air Pressure (MAP) sensor
6. Crankcase breather oil seperator
7. Electronic Control Module (ECM)
8. Ignition module & H.T. coils
9. Exhaust Gas Recirculation (EGR) vacuum solenoid valve
10. Boost control frequency valve
11. Cam angle sensor:
         11A. Magnetic pick up
         11B. Hall effect sensor
12. Coolant Temperature Sensor (CTS)
13. Wastegate actuator capsule
14. Power Steering Pressure Switch (PSPS)
15. Oxygen (O₂) sensor
16. Positive Crankcase Ventilation (PCV) valve
17. Exhaust Gas Recirculation (EGR) valve
18. Throttle Position Switch (TPS)
19. Manifold Air Temperature (MAT) sensor
20. Secondary throttle vacuum actuator
21. Knock sensor
22. Secondary throttle vacuum reservoir
23. Oil pressure transducer
24. Secondary throttle vacuum solenoid valve
25. Idle Air Control (IAC) valve