Audi Workshop Service and Repair Manuals

Overview of fitting locations

Engine compartment (right-side)

1 -	Secondary air pump motor -V101-

2 -	Variable intake manifold change-over valve -N335-

3 -	Hall sender 3 -G300-

q	Fitting location → Fig.

4 -	Intake air temperature sender -G42- / air mass meter -G70-

5 -	Exhaust camshaft control valve 1 -N318-

q	Fitting location → Fig.

6 -	Lambda probe -G39- (before catalytic converter)

q	Fitting location → Fig.

q	Fitting location of connector → Fig.

q	Removing and installing → Chapter

7 -	Lambda probe after catalytic converter -G130-

q	Fitting location → Fig.

q	Fitting location of connector → Fig.

q	Removing and installing → Chapter

8 -	Camshaft control valve 1 -N205-

q	Fitting location → Fig.

9 -	Engine control unit 2 -J624-

q	Fitting location → Fig.

10 -	Coolant temperature sender -G62-

q	Fitting location → Fig.

11 -	Throttle valve module -J338-

q	After renewing, perform adaption in “Guided Functions”, option “Adapt throttle valve module”

q	Fitting location → Fig.

12 -	Knock sensor 2 -G66-

q	Fitting location → Fig.

q	Fitting location of connector → Fig.

q

20 Nm

13 -	Injectors, cylinder bank 1

q	Injector, cylinder 1 -N30-

q	Injector, cylinder 2 -N31-

q	Injector, cylinder 3 -N32-

q	Injector, cylinder 4 -N33-

q	Fitting location → Fig.

q	Removing and installing → Chapter

14 -	Intake manifold flap valve -N316-

Fitting location → Fig.

15 -	Fuel pressure sender -G247-

q	Fitting location → Fig.

16 -	Intake manifold flap potentiometer -G336-

q	Fitting location → Fig.

q	Fitting location → Fig.

q	After renewing, perform adaption in “Guided Functions”, option “Adapt potentiometer for intake manifold flap (air flow control flaps)”.

17 -	Knock sensor 1 -G61-

q	Fitting location → Fig.

q	Fitting location of connector → Fig.

q

20 Nm

18 -	Hall sender -G40-

q	Fitting location → Fig.

19 -	High-pressure pump

q	With fuel metering valve -N290-

20 -	Ignition coils for cylinder bank 1

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	Fitting location → Fig.

Engine compartment (left-side)

1 -	Fuel pressure sender for low pressure -G410-

2 -	Intake manifold flap potentiometer 2 -G512-

q	After renewing, perform adaption in “Guided Functions”, option “Adapt potentiometer for intake manifold flap (air flow control flaps)”.

3 -	Activated charcoal filter solenoid valve 1 -N80-

4 -	Brake servo pressure sensor -G294-

5 -	Engine speed sender -G28-

q	Fitting location → Fig.

6 -	Camshaft control valve 2 -N208-

q	Fitting location → Fig.

7 -	Fuel metering valve 2 -N402-

8 -	Lambda probe 2 after catalytic converter -G131-

q	Fitting location → Fig.

q	Fitting location of connector → Fig.

q	Removing and installing → Chapter

9 -	Engine fault warning lamp

10 -	Accelerator position sender -G79- and accelerator position sender 2 -G185-

q	In accelerator pedal module; fitting location → Fig.

11 -	Brake light switch -F-/brake pedal switch -F47-

q	Fitting location → Fig.

12 -	Clutch pedal switch for engine start -F194- and clutch pedal switch -F36-

q	Fitting location of clutch pedal switch -F36- → Fig.

q	Fitting location of clutch pedal switch for engine start -F194- → Fig.

13 -	Electronics box, plenum chamber

q	With engine control unit -J623-

q	Fitting location → Fig.

q	With 4-position relay carrier for brake servo relay -J569-, Motronic current supply relay -J271-, engine component current supply relay -J757-, secondary air pump relay -J299-

q	Fitting locations → Fig.

14 -	Lambda probe 2 -G108- (before catalytic converter)

q	Fitting location → Fig.

q	Fitting location of connector → Fig.

q	Removing and installing → Chapter

15 -	Exhaust camshaft control valve 2 -N319-

q	Fitting location → Fig.

16 -	Brake vacuum pump -V192-

17 -	Continued coolant circulation pump -V51-

q	Fitting location → Fig.

18 -	Hall sender 4 -G301-

q	Fitting location → Fig.

19 -	Ignition coils for cylinder bank 2

q	Ignition coil 5 with output stage -N323-

q	Ignition coil 6 with output stage -N324-

q	Ignition coil 7 with output stage -N325-

q	Ignition coil 8 with output stage -N326-

q	Fitting location → Fig.

20 -	Hall sender 2 -G163-

q	Fitting location → Fig.

21 -	Knock sensor 4 -G199-

q	Fitting location → Fig.

q

20 Nm

22 -	Knock sensor 3 -G198-

q	Fitting location → Fig.

q

20 Nm

23 -	Injectors, cylinder bank 2

q	Injector, cylinder 5 -N83-

q	Injector, cylinder 6 -N84-

q	Injector, cylinder 7 -N85-

q	Injector, cylinder 8 -N86-

q	Fitting location → Fig.

q	Removing and installing → Chapter

24 -	Secondary air inlet valve -N112-

q	Fitting location → Fig.

Fitting location of engine control unit -J623- t  In electronics box (plenum chamber)

Fitting locations in 4-position relay carrier t  In electronics box (plenum chamber) 1.2 -  Brake servo relay -J569- 2 -  Motronic current supply relay -J271- 3 -  Current supply relay for engine components -J757- 4 -  Secondary air pump relay -J299-

Fitting location of engine control unit 2 -J624- t  Below cover in plenum chamber

Fitting location of accelerator position sender -G79-/accelerator position sender 2 -G185- t  In accelerator pedal module -arrow-.   Note The accelerator position sender -G79- and accelerator position sender 2- -G185- are integrated in the accelerator pedal module and cannot be renewed individually.

Fitting location of brake light switch -F- / brake pedal switch -F47- and clutch pedal switch -F36- t  On pedal bracket 1 -  Brake light switch -F-, brake pedal switch -F47- 2 -  Clutch pedal switch -F36-   Note Switches must not be installed more than once, otherwise they may not fit securely.

Clutch pedal switch for engine start -F194- 2 -  Clutch pedal switch for engine start -F194-

Bracket for electrical connectors on gearbox 1 -  To Lambda probe after catalytic converter -G130- 2 -  To Lambda probe -G39- (before catalytic converter) 3 -  To Lambda probe 2 after catalytic converter -G131- 4 -  To Lambda probe 2 -G108- (before catalytic converter)

Fitting location of Lambda probes on cylinder bank 1 (right-side) 1 -  Lambda probe after catalytic converter -G130- 2 -  Lambda probe -G39- (before catalytic converter)

Fitting location of Lambda probes on cylinder bank 2 (left-side) 1 -  Lambda probe 2 -G108- (before catalytic converter) 2 -  Lambda probe 2 after catalytic converter -G131-

Fitting location of continued coolant circulation pump -V51- t  In engine compartment (front, left) behind front wheel housing liner

Fitting location of engine speed sender -G28- t  On left side of clutch housing

Fitting location of coolant temperature sender -G62- 1 -  Coolant temperature sender -G62- 2 -  Retaining clip t  On rear coolant pipe (right-side)

Fitting location of throttle valve module -J338- t  At rear of intake manifold (right-side)

Fitting locations on outside of cylinder head (right-side) 1 -  Hall sender 3 -G300- 2 -  Exhaust camshaft control valve 1 -N318- 3 -  Ignition coil 4 with output stage -N292- 4 -  Ignition coil 3 with output stage -N291- 5 -  Ignition coil 2 with output stage -N127- 6 -  Ignition coil 1 with output stage -N70-

Fitting locations on outside of cylinder head (left-side) 1 -  Ignition coil 5 with output stage -N323- 2 -  Ignition coil 6 with output stage -N324- 3 -  Ignition coil 7 with output stage -N325- 4 -  Ignition coil 8 with output stage -N326- 5 -  Exhaust camshaft control valve 2 -N319- 6 -  Hall sender 4 -G301-

Fitting locations on inside of cylinder head (left-side) 1 -  Knock sensor 4 -G199- 2 -  Camshaft control valve 2 -N208- 3 -  Hall sender 2 -G163- 4 -  Injector, cylinder 8 -N86- 5 -  Injector, cylinder 7 -N85- 6 -  Injector, cylinder 6 -N84- 7 -  Injector, cylinder 5 -N83- 8 -  Knock sensor 3 -G198-

Fitting locations on inside of cylinder head (right-side) 1 -  Fuel pressure sender -G247- 2 -  Knock sensor 1 -G61- 3 -  Hall sender -G40- 4 -  Injector, cylinder 1 -N30- 5 -  Injector, cylinder 2 -N31- 6 -  Injector, cylinder 3 -N32- 7 -  Injector, cylinder 4 -N33- 8 -  Camshaft control valve 1 -N205- 9 -  Knock sensor 2 -G66-

Fitting locations in engine compartment 1 -  Intake manifold flap potentiometer -G336- 2 -  Intake manifold flap valve -N316- 3 -  Electrical connector “brown” for knock sensor 4 -G199- 4 -  Electrical connector “black ” for knock sensor 3 -G198- 5 -  Electrical connector “brown” for knock sensor 2 -G66- 6 -  Electrical connector “black ” for knock sensor 1 -G61-

Fitting location of secondary air inlet valve -N112- t  Beneath intake manifold 1 -  Vacuum line from intake manifold 2 -  Secondary air inlet valve -N112- 3 -  Vacuum line to combination valves for secondary air inlet