Audi Workshop Service and Repair Manuals

Fitting locations overview, engine codes BHC and ATL Components A to H are not shown on the exploded view.

1 -	Exhaust gas recirculation valve -N18- and charge pressure control solenoid valve -N75-

2 -	Air mass meter -G70-

3 -	Exhaust gas recirculation valve

q	With intake manifold flap

4 -	Coolant temperature sender -G62-

q	Fitting location → Fig.

5 -

Connector

q	For unit injectors

6 -	Fuel temperature sender -G81-

7 -	Engine speed sender -G28-

8 -	Grey connector

q	For engine speed sender -G28-

9 -	Black connector

q	For Hall sender -G40-, for camshaft position

10 -	Intake manifold pressure sender -G71- with intake manifold temperature sender -G72- (BHC)

q	Engine code ATL → Fig.

11 -	Hall sender -G40-

q	For camshaft position

A -	Brake pedal switch -F47-

q	In footwell on brake pedal

B -	Brake light switch -F-

q	In footwell on brake pedal

C -	Accelerator position sender -G79-

q	In footwell on accelerator → Fuel supply system - diesel engines; Repair group 20; Servicing accelerator mechanism

D -	Diesel direct injection system control unit -J248-

q	With altitude sender -F96-

q	Renewing control unit → Chapter

E -	Glow plug relay -J52-

q	Only for engine code BHC

q	Fitting location → Fig., → Fig.

F -	Automatic glow period control unit -J179-

q	Only for engine code ATL

q	Fitting location → Fig., → Fig.

G -	Terminal 30 voltage supply relay -J317-

H -	Auxiliary air heater control unit -J604-

q	Located in additional electric PTC heater

Relay in 3-way relay carrier in front left footwell (engine code AMF, ANY, BHC) 1 - Glow plug relay -J52- 2 - Terminal 30 voltage supply relay -J317-

Relay in 3-way relay carrier in front left footwell (engine code ATL) 1 - Terminal 30 voltage supply relay -J317- 2 - Automatic glow period control unit -J179-

Relay in 9-way relay carrier, dash panel on driver's side 1 -Low heat output relay -J359- 2 - High heat output relay -J360-

Coolant temperature sender -G62-

Intake manifold pressure sender -G71- and intake manifold temperature sender -G72-