VW Passat & Audi A4 1990-2000

Audi A4 2.8L

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Fig. Audi A4 2.8L Component Locations

Note the following:



Data Link Connector (DLC), located under knee bar, left side of steering wheel
 
Fuel pump relay, position 6 on relay panel in driver's side footwell
 
Oxygen sensor (O2S) behind 3-way catalytic converter
 
EVAP system leak detection pump (V144), in left-rear wheel housing behind splash shield
 

Key List for gnam 93224vwg62:

1. Harness connector for Oxygen sensor (G130) and heater (Z29), 4-pin connector, green for bank 1, sensor 2

2. Harness connector for Oxygen sensor 2 (G131) and (Z30) 4-pin connector, brown for bank 2, sensor 2

3. Harness connector for Heated Oxygen sensor (G39) with heater (Z19), 4-pin connector, black for bank 1, sensor 1

4. Harness connector for knock sensor (KS) 1 (G61), 3-pin connector, blue

5. Secondary Air Injection (AIR) solenoid valve (N112)

6. Intake Air Temperature (IAT) sensor (G42)

7. Harness connector for Heated Oxygen sensor 2 (G108) with heater (Z28), 4-pin connector, black for bank 2, sensor 1

8. Harness connector for knock sensor (KS) 2 (G66) 3-pin connector, blue

9. Harness connector for Engine Speed sensor (G28), 3-pin connector, gray

10. Electronics box (E-box) for Motronic Engine Control Module (ECM) (J220) and Secondary Air Injection (AIR) pump relay (J299)

11. Valve 2 for camshaft adjustment (N208)

12. Camshaft Position (CMP) sensor 2 (G163)

13. Heated Oxygen sensor (HO2S) (G39) Bank 1, sensor 1

14. Ground (GND) connection to right engine support

15. Mass Airflow (MAF) sensor (G70)

16. EVAP canister purge regulator valve (N80)

17. Engine Coolant Temperature (ECT) sensor (G62), 4-pin connector, in coolant pipe behind right cylinder head (Bank 1)

18. Throttle valve control module (J338), includes Throttle drive (G186), Angle sensor 1 for throttle drive (G187), Throttle Position sensor (TPS) (G69), Closed Throttle Position (CTP) switch (F60)

19. Intake Manifold Tuning (IMT) valve (N156)

20. Fuel pressure regulator

21. Engine speed (RPM) sensor (G28), in transmission housing above differential

22. Camshaft Position (CMP) sensor (G40)

23. Heated Oxygen sensor (HO2S) 2 (G108) with heater (Z28) Bank 2, sensor 1

24. knock sensor (KS) 2 (G66)

25. Ignition coils and power output stage

26. knock sensor (KS) 1 (G61)

27. Fuel injectors

28. Valve 1 for camshaft adjustment (N205)

29. Secondary Air Injection (AIR) pump motor (V101)

 
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