Audi Workshop Service and Repair Manuals

Overview of fitting locations

Engine compartment

1 -	Intake air temperature sender 3 -G520- with intake manifold pressure sender 3 -G583-

2 -	Charge pressure sender -G31- / intake air temperature sender 2 -G299-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.21

3 -	Throttle valve module -J338-

q	Including throttle valve drive for electric throttle -G186-, throttle valve drive angle sender 1 for electric throttle -G187- and throttle valve drive angle sender 2 for electric throttle -G188-

q	Removing and installing → Chapter

4 -	Regulating flap control unit -J808-

q	With regulating flap potentiometer -G584-

q	Removing and installing → Chapter

5 -	Knock sensor 1 -G61-

q	Exploded view → Chapter

q	Removing and installing → Chapter

6 -	Activated charcoal filter solenoid valve 1 -N80-

q	Fitting location → Fig.

7 -	Intake manifold pressure sender -G71- with intake air temperature sender -G42-

q	Fitting location

8 -	High-pressure pump

q	With fuel pressure regulating valve -N276-

q	Removing and installing → Fig.

9 -	Brake servo pressure sensor -G294-

q	Fitting location → Fig.

10 -	Fuel pressure sender -G247-

q	Exploded view → Chapter

11 -	Engine control unit -J623-

q	Fitting location → Fig.

12 -	Additional coolant pump relay -J496-

q	Fitting location → Fig.

13 -	Coolant temperature sender -G62-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.19

14 -	Oil pressure switch -F1-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.17

15 -	Radiator fan control unit -J293-

q	Removing and installing → Rep. gr.19

16 -	Radiator outlet coolant temperature sender -G83-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.19

17 -	Coolant circulation pump -V50-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.19

18 -	Hall sender -G40-

q	Exploded view → Chapter

q	Removing and installing → Chapter

19 -	Lambda probes

q	Removing and installing Lambda probe -G39- with Lambda probe heater -Z19- → Chapter

q	Removing and installing Lambda probe after catalytic converter -G130- with Lambda probe 1 heater after catalytic converter -Z29- → Chapter

q	Fitting location → Fig.

q	Exploded view → Chapter

20 -	Ignition coils and injectors

q	Ignition coil 1 with output stage -N70-

q	Ignition coil 2 with output stage -N127-

q	Ignition coil 3 with output stage -N291-

q	Ignition coil 4 with output stage -N292-

q	Injector, cylinder 1 -N30-

q	Injector, cylinder 2 -N31-

q	Injector, cylinder 3 -N32-

q	Injector, cylinder 4 -N33-

q	Exploded view → Chapter

21 -	Charge pressure control solenoid valve -N75-

22 -	Turbocharger air recirculation valve -N249-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.21

23 -	Camshaft control valve 1 -N205-

q	Removing and installing → Rep. gr.15

24 -	Magnetic clutch for supercharger -N421-

q	Combined with coolant pump in one unit

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.19

Engine (intake side)

1 -	High-pressure pump

q	With fuel pressure regulating valve -N276-

q	Removing and installing → Chapter

2 -	Activated charcoal filter solenoid valve 1 -N80-

3 -	Regulating flap control unit -J808-

q	With regulating flap potentiometer -G584-

q	Removing and installing → Chapter

4 -	Throttle valve module -J338-

q	Including throttle valve drive for electric throttle -G186-, throttle valve drive angle sender 1 for electric throttle -G187- and throttle valve drive angle sender 2 for electric throttle -G188-

q	Removing and installing → Chapter

5 -	Intake air temperature sender 3 -G520- with intake manifold pressure sender 3 -G583-

6 -	Supercharger

q	Removing and installing → Rep. gr.21

7 -	Intake manifold pressure sender -G71- with intake air temperature sender -G42-

8 -	Knock sensor 1 -G61-

q	Exploded view → Chapter

q	Removing and installing → Chapter

Engine (gearbox end)

1 -	Oil pressure switch -F1-

q	Fitting location → Fig.

q	Removing, installing and checking → Rep. gr.17

2 -	Coolant temperature sender -G62-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.19

3 -	Hall sender -G40-

q	Removing and installing → Chapter

4 -	Fuel pressure sender -G247-

q	Exploded view → Chapter

5 -	Engine speed sender -G28-

q	Exploded view → Chapter

Fitting location of engine control unit -J623- t  At plenum chamber partition panel (left-side)

Fitting location of accelerator position sender -G79-/accelerator position sender 2 -G185- 2 -  Electrical connector for accelerator pedal module   Note The accelerator position sender -G79- and accelerator position sender 2 -G185- are integrated in the accelerator pedal module and cannot be renewed individually. Removing and installing → Rep. gr.20

Fitting location of brake light switch -F- t  On brake master cylinder C -  Brake light switch -F-

Intake manifold pressure sender -G71- with intake air temperature sender -G42-

Components 1 -  Activated charcoal filter solenoid valve 1 -N80- 2 -  Brake servo pressure sensor -G294-

Additional coolant pump relay -J496- for activation of coolant circulation pump -V50- For current assignment refer to → Current flow diagrams, Electrical fault finding and Fitting locations.

Coolant temperature sender -G62- Removing and installing → Rep. gr.19

Oil pressure switch -F1- Removing and installing → Rep. gr.17

Radiator outlet coolant temperature sender -G83- Removing and installing → Rep. gr.19

Charge pressure sender -G31- / intake air temperature sender 2 -G299- Removing and installing → Rep. gr.21

Coolant circulation pump -V50- Removing and installing → Rep. gr.19

Lambda probes 1 -  Lambda probe -G39- 2 -  Electrical connector for Lambda probe -G39- 3 -  Electrical connector for Lambda probe after catalytic converter -G130- 4 -  Lambda probe after catalytic converter -G130-

Turbocharger air recirculation valve -N249- Removing and installing → Rep. gr.21

Magnetic clutch for supercharger -N421- Removing and installing → Rep. gr.19