Audi Workshop Service and Repair Manuals

Overview of fitting locations

For fitting location of clutch position sender -G476- on vehicles with manual gearbox, refer to → Fig..

1 -	3-pin connector

q	For knock sensor 1 -G61-

2 -	Knock sensor 1 -G61-

q	Fitting location → Fig.

3 -	Activated charcoal filter solenoid valve 1 -N80-

4 -	Lambda probe before catalytic converter -G39- with Lambda probe heater -Z19-

q	Fitting location → Fig.

q	Removing and installing → Chapter

5 -	Connectors

q	For Lambda probe after catalytic converter -G130- with Lambda probe 1 heater after catalytic converter -Z29- and Lambda probe 2 after catalytic converter -G131- with Lambda probe 2 heater after catalytic converter -Z30-

q	Fitting location → Fig.

6 -	Lambda probe after catalytic converter -G130- with Lambda probe 1 heater after catalytic converter -Z29-

q	Fitting location → Fig.

q	Removing and installing → Chapter

7 -	Lambda probe 2 before catalytic converter -G108- with Lambda probe 2 heater -Z28-

q	Fitting location → Fig.

q	Removing and installing → Chapter

8 -	Lambda probe 2 after catalytic converter -G131- with Lambda probe 2 heater after catalytic converter -Z30-

q	Fitting location → Fig.

q	Removing and installing → Chapter

9 -	Motronic control unit -J220-

q	Removing and installing → Chapter

10 -	Heating element for crankcase breather -N79-

11 -	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-

12 -	Connectors

q	For Lambda probe -G39- (before catalytic converter) with Lambda probe heater -Z19- and Lambda probe 2 -G108- (before catalytic converter) with Lambda probe 2 heater -Z28-

q	Fitting location → Fig.

13 -	Air mass meter -G70-

14 -	Instrument cluster

q	With exhaust emissions warning lamp -K83-

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

Fitting location → Fig.

16 -	Brake light switch -F- and brake pedal switch -F47-

q	Fitting location → Fig.

17 -	Sender 1 for secondary air pressure -G609-

q	Only for engine code CBRA

q	Fitting location → Fig.

18 -	Secondary air pump relay -J299-

Fitting location → Fig.

19 -	Motronic current supply relay -J271-

q	Fitting location → Fig.

20 -	Fuel pump relay -J17-

q	Fitting location → Fig.

21 -	Hall sender 2 -G163-

q	Fitting location → Fig.

22 -	Exhaust camshaft control valve 1 -N318-

q	Brown connector

q	Fitting location → Fig.

23 -	Inlet camshaft control valve 1 -N205-

q	Black connector

q	Fitting location → Fig.

24 -	Hall sender -G40-

q	Fitting location → Fig.

25 -	Coolant temperature sender -G62-

q	Fitting location → Fig.

26 -	Engine speed sender -G28-

q	Fitting location → Fig.

27 -	Actuator for intake manifold change-over

28 -	Secondary air pump motor -V101-

29 -	Variable intake manifold change-over valve -N156-

q	Fitting location → Fig.

30 -	Secondary air inlet valve -N112-

q	For vehicles with vacuum-controlled combination valve for secondary air system

q	Vehicles with engine code CBRA also have secondary air inlet valve 2 -N320-

q	Fitting location → Fig.

31 -	Knock sensor 2 -G66-

q	Fitting location → Fig.

32 -	3-pin connector

q	For engine speed sender -G28-

q	Fitting location → Fig.

33 -	Ignition coils with output stages

q	Cylinder 1 ignition coil 1 with output stage -N70-

q	Cylinder 2 ignition coil 2 with output stage -N127-

q	Cylinder 3 ignition coil 3 with output stage -N291-

q	Cylinder 4 ignition coil 4 with output stage -N292-

q	Cylinder 5 ignition coil 5 with output stage -N323-

q	Cylinder 6 ignition coil 6 with output stage -N324-

34 -

Injectors

q	Cylinder 1 injector for cylinder 1 -N30-

q	Cylinder 2 injector for cylinder 2 -N31-

q	Cylinder 3 injector for cylinder 3 -N32-

q	Cylinder 4 injector for cylinder 4 -N33-

q	Cylinder 5 injector for cylinder 5 -N83-

q	Cylinder 6 injector for cylinder 6 -N84-

q	Checking injection quantity and spray pattern; checking for leaks → Chapter

q	Removing and installing → Chapter

Fitting location of accelerator position sender -G79- with accelerator position sender 2 -G185- t  To unplug the electrical connector -2- press the release tab and pull off the cable guide -1-.   Note Diagram shows set-up on left-hand drive vehicles.

Fitting location of brake light switch -F- and brake pedal switch -F63- t  On pedal bracket t  Removing and installing → Rep. Gr.46

Fitting location of clutch position sender -G476- t  On clutch master cylinder t  Removing and installing → Rep. Gr.30

Fitting location of connectors for Lambda probes before catalytic converter 1 -  Lambda probe 2 before catalytic converter -G108- with Lambda probe 2 heater -Z28- 2 -  Lambda probe before catalytic converter -G39- with Lambda probe heater -Z19-

Fitting location of Lambda probes before catalytic converter t  In front exhaust pipe 1 -  Lambda probe 2 before catalytic converter -G108- with Lambda probe 2 heater -Z28- 2 -  Lambda probe before catalytic converter -G39- with Lambda probe heater -Z19-

Fitting location of connectors for Lambda probes after catalytic converter t  On underbody (right-side) beneath underbody cover. 1 -  Lambda probe after catalytic converter -G130- with Lambda probe 1 heater after catalytic converter -Z29- 2 -  Lambda probe 2 after catalytic converter -G131- with Lambda probe 2 heater after catalytic converter -Z30-

Fitting location of Lambda probes after catalytic converter t  In catalytic converters. 1 -  Lambda probe after catalytic converter -G130- with Lambda probe 1 heater after catalytic converter -Z29- 2 -  Lambda probe 2 after catalytic converter -G131- with Lambda probe 2 heater after catalytic converter -Z30-

Fitting location of fuel pump relay -J17- and Motronic current supply relay -J271- t  In electronics box in engine compartment. R3 -  Fuel pump relay -J17- R4 -  Motronic current supply relay -J271-

Fitting location of secondary air pump relay -J299- (old version of relay carrier) t  On 6-position relay carrier -arrow- beneath electronics box in engine compartment; position 5.

Fitting location of secondary air pump relay -J299- (new version of relay carrier) t  On relay carrier below electronics box in engine compartment. –  To remove, pull out relay carrier below electronics box -arrow- and pull secondary air pump relay -J299--item 1- out of socket in relay carrier.

Fitting location of sender 1 for secondary air pressure -G609- (engine code CBRA) t  Near throttle valve module -J338- 1 -  Sender 1 for secondary air pressure -G609- t  Removing and installing → Rep. Gr.26   Note Disregard -arrows-.

Fitting location of engine speed sender -G28- with 3-pin connector t  At front of engine. 1 -  3-pin connector 2 -  Engine speed sender -G28-

Fitting location of secondary air inlet valve(s) 1 -  Secondary air inlet valve -N112- 2 -  Secondary air inlet valve 2 -N320- (only for engine code CBRA)

Fitting location of intake manifold change-over valve -N156- t  At vacuum reservoir (at front of engine)

Fitting location of Hall sender and camshaft control valves t  On left side of cylinder head. 1 -  Hall sender -G40- 2 -  Hall sender 2 -G163- 3 -  Inlet camshaft control valve 1 -N205- 4 -  Exhaust camshaft control valve 1 -N318-

Fitting location of coolant temperature sender -G62- t  At front left on cylinder head

Fitting location of knock sensor 1 -G61- t  At rear right on cylinder block. 1 -  Knock sensor 1 -G61- 2 -  3-pin connector

Fitting location of knock sensor 2 -G66- t  At front on cylinder block