1. Harness connector for Oxygen sensor 1 (O2S) behind 3-way catalytic converter (G130) and Heater for Lambda probe 1 (Z29), 4-pin green
2. Harness connector for Oxygen sensor 2 (O2S) behind 3-way catalytic converter (G131) and Heater for Lambda probe 2 (Z30), 4-pin green
3. Harness connector for Heated Oxygen sensor (HO2S) and heater, 4-pin black
4. 3-pin harness connector for knock sensor (KS) 1 (G61)
5. Engine Coolant Temperature (ECT) sensor (G62). On cooling pipe behind cylinder bank 1
6. Wastegate Bypass Regulator Valve (N75)
7. EVAP Canister Purge Regulator Valve (N80)
8. Sensor 1 for exhaust temperature (G235) at rear of intake manifold on the left hand side.
9. Secondary Air Injection (AIR) Solenoid Valve (N112), only on vehicles with automatic transmission
10. Secondary Air Injection (AIR) Pump Motor (V101), only on vehicles with automatic transmission
11. Sensor 2 for exhaust temperature (G236). On vehicles with automatic transmission the sensor is located with sensor 1 for exhaust temperature (G235) at Position 8. Both sensors are located behind each other
12. Recirculating valve for turbocharger (N249)
13. Fuel pressure regulator
14. Camshaft Position (CMP) sensor (G40), Cylinder bank 2
15. Secondary Air Injection (AIR) Pump Relay (J299). Only on vehicles with automatic transmission
16. Motronic Engine Control Module (ECM) (J220)
17. 3-pin harness connector for Engine Speed (RPM) sensor (G28), grey
18. 3-pin harness connector for knock sensor (KS) 2 (G66)
19. Harness connector for Heated Oxygen sensor 2 (HO2S) (G108) and Oxygen sensor (O2S) Heater (Z28), 4-pin black
20. Valve 2 for camshaft adjustment (N208)
21. Throttle Valve Control Module (J338), with Throttle drive (power accelerator actuation) (G186), Angle sensor 1 for throttle drive (power accelerator actuation) (G187) and Angle sensor 2 for throttle drive (power accelerator actuation) (G188)
22. Charge Air Pressure sensor (G31). In rubber below before Throttle Valve Control Module
23. Camshaft Position (CMP) sensor 2 (G163) Cylinder bank 1
24. Power output stage (N192) for ignition coils cylinder bank 2
25. Power output stage (N122) for ignition coils cylinder bank 1
26. Valve 1 for camshaft adjustment (N205)
27. Heated Oxygen sensor (HO2S) (G39) with Oxygen sensor (O2S) Heater (Z19)
28. knock sensor 1 (KS) (G61)
29. knock sensor 2 (KS) (G66)
30. Engine Speed (RPM) sensor (G28). In transmission above sensor wheel
31. Heated Oxygen sensor 2 (HO2S) (G108) and Oxygen sensor (O2S) Heater (Z28)
32. Ignition coils cylinder bank 2
33. Fuel Injectors
34. Intake Air Temperature (IAT) sensor (G42). Under intake manifold at the front, near the throttle valve control module
35. 2-pin harness connector for intake air temperature sensor (Measurements must be carried out at this connection)
36. Fuel Injectors
37. Ignition coils cylinder bank 1
38. Mass Airflow (MAF) sensor (G70)