Audi Cars 1999-05

Component Locations

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Fig. Passat 2.8L Component Locations

Key List for gnam 93224vwg58:

1. Harness connector, green, for Oxygen sensor (O2S) 2 behind 3-way catalytic converter (TWC) (G130) and oxygen sensor heater (Z29), cylinder bank 1

2. Harness connector, brown, for Oxygen sensor (O2S) 2 behind 3-way catalytic converter (TWC) (G131) and heater for oxygen sensor (Z30), cylinder bank 2

3. Harness connector, black, for Heated Oxygen sensor (HO2S) 1 before 3-way catalytic converter (TWC) (G39) and oxygen sensor heater (Z19), cylinder bank 1

4. 3-way connector, brown, for knock sensor (KS) 1 (G61), cylinder bank 1

5. Engine Coolant Temperature (ECT) sensor (G62)

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

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

8. Intake manifold change over valve (N156)

9. Throttle Valve Control Module (J338)

10. 4-pin harness connector, black, for Heated Oxygen sensor (HO2S) 1 (G108) and oxygen sensor heater (Z28), cylinder bank 2

11. 3 way connector, brown, for knock sensor (KS) 2 (G66), cylinder bank 2.

12. 3 way connector, gray, for Engine Speed (RPM) sensor (G28)

13. Engine Control Module (ECM)

14. Fuel pressure regulator

15. Camshaft Position (CMP) sensor 2 (G163), Engine bank 2

16. Heated Oxygen sensor (HO2S) 1 bank 2 before catalytic converter (G108).

17. Engine Speed (RPM) sensor (G28)

18. knock sensor (KS) 2 (G66), Engine bank 2

19. Valve for camshaft adjustment (N208), Engine bank 2

20. Ignition coils (N, N128, N158), with power output stage (N122)

21. knock sensor (KS) 1 (G61), Engine bank 1

22. Fuel injector (N30 - N33, N83, N84)

23. Camshaft Position (CMP) sensor (G40), Engine bank 1

24. Ground connection on the engine bracket, right side

25. Heated Oxygen sensor (HO2S) 1 bank 1 before catalytic converter (G39)

26. Valve for camshaft adjustment (N205), Engine bank 1

27. Secondary Air Injection pump motor (V101)

28. Mass Airflow (MAF) sensor (G70)

29. Evaporative Emission (EVAP) canister purge regulator valve (N80) on air cleaner housing



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Fig. Passat 1.9L Component Locations

Key List for gnam 93224vwg59:

1. Intake Air Temperature sensor (G72)

2. Harness connector for Engine Speed sensor (G28)

3. Harness connector for needle lift sensor (G80)

4. EGR Vacuum Regulator solenoid valve (N18)

5. Engine Coolant Temperature sensor (G62)

6. Harness connector for Fuel Temperature sensor (G81), Quantity adjuster (N146),

Modulating piston displacement sensor (G149), Fuel shut off valve (N109), Cold start valve (N108)

7. Engine Speed sensor (G28)

8. Diesel direct injection system relay (J322)

9. Glow plug fuse

10. Diesel direct injection system Engine Control Module (J248) with BARO sensor (F96)

11. Fuel cut off valve (N109)

12. Cold start valve (N108)

13. Diesel injection pump quantity adjuster with Fuel Temperature sensor, Quantity adjuster (N146), Modulating piston displacement sensor (G149)

14. Fuel Injector with (G80) Needle lift sensor

15. Wastegate Bypass Regulator valve (N75)

16. Exhaust Gas Recirculation valve

17. Mass Airflow sensor (G70)



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Fig. Passat 1.8L Component Locations

Key List for gnam 93224vwg60:

1. Oxygen sensor 1 before 3-way Catalyst (G39)

2. Oxygen sensor 2 after 3-way Catalyst (G130)

3. Engine Coolant Temperature sensor (G62)

4. Throttle Body Control Module (J338)

5. 4-pin harness connector, brown for Oxygen sensor 1 (G39)

6. 4-pin harness connector, black for Oxygen sensor 2 (G130)

7. 3-pin harness connector, grey for engine speed sensor (G28)

8. 3-pin harness connector, green for knock sensor 1 (G61)

9. 3-pin harness connector, blue for knock sensor 2 (G66)

10. Barometric sensor (F96). In protective housing, plenum chamber, left

11. Engine Control Module (J220). In protective housing, plenum chamber, left

12. Intake Air Temperature sensor (G42)

13. Engine speed sensor (G28)

14. Knock sensor 2 (G66)

15. Knock sensor 1 (G61)

16. Fuel pressure regulator

17. Camshaft Position sensor (G40)

18. Fuel Injector

19. Ignition coils

20. Wastegate Bypass Regulator Valve (N75)

21. Ground connection, on engine support, right

22. Mass Airflow sensor (G70)

23. Power Output stage (N122)

24. EVAP canister purge regulator valve 1 (N80), on Air Cleaner



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Fig. Audi A4 1.8L 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 with Oxygen sensor (O2S) heater
 
EVAP system Leak Detection Pump (LDP) (V144) in left rear wheelhousing behind splash shield
 

Key List for gnam 93224aug61:

1. Heated Oxygen sensor (HO2S) (G39) with Oxygen sensor (O2S) heater (Z19)

2. Engine Coolant Temperature (ECT) sensor (G62)

3. Harness connector for Heated Oxygen sensor (G39) and Oxygen sensor heater (Z19) (4-pin, brown), Oxygen sensor (O2S) behind 3-way catalytic converter with Oxygen sensor heater (Z29) (4-pin, black), engine speed sensor (G28) (3-pin, gray), knock sensor 1 (G61) (3-pin, green) and knock sensor 2 (G66) (3-pin, blue)

4. Electronics box with Motronic Engine Control Module (ECM) (J220) and Barometric Pressure (BARO) sensor (F96)

5. EVAP canister purge regulator valve (N80)

6. Power output stage (N122) includes 5-pin connector for signal wiring from ECM and 4-pin connector for coil primary circuit connections

7. Mass Airflow (MAF) sensor (G70) in upper air cleaner housing

8. Wastegate bypass regulator valve (N75)

9. Ignition coils

10. Fuel injectors

11. Camshaft Position (CMP) sensor (G40)

12. knock sensor 1 (G61)

13. knock sensor 2 (G66)

14. Engine speed sensor (G28), behind oil filter housing on engine cylinder block

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

16. Throttle valve control module (J338), includes throttle drive (G186), angle sensor 1 for throttle drive (G187), TP sensor (G69), CTP switch (F60)



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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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Fig. Audi A4 2.7L Component Locations



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Fig. 2.7L Components Continued

Note the following:



Diagnostic connector, in front knee protection, driver side
 
Fuel Pump relay (J17) relay position 4 of central electrics left side under dash panel
 
Throttle Position sensor (TPS) (G79) and Sender (G185) for accelerator pedal position in footwell on accelerator pedal.
 

Key List for gnam 93224vwg63:

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)

 
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