Audi Workshop Service and Repair Manuals

• Connector for Bank 1 Lambda probe 2 -G130 and Lambda probe heater -Z29
• ◆ 4-pin/green
• Connector for Bank 2 Lambda probe 2 -G131 and Lambda probe heater -Z30
• ◆ 4-pin/brown
• Connector for Bank 1 Lambda probe 1 -G39 and Lambda probe heater -Z19
• ◆ 4-pin/black

• 3 pin connector
• ◆ For knock sensor 1 (G61)
• Coolant temperature sender (G62)
• ◆ On coolant pipe behind cylinder head, Bank 1
• Charge pressure control solenoid valve (N75)
• Activated charcoal filter solenoid valve 1 (N80)

• Exhaust gas temperature sender 1 (G235)
• ◆ At rear of intake manifold on the left-hand side (looking from the front of the engine compartment). On vehicles meeting emission standard EU-III, the exhaust gas temperature sender 2 (G236) is located at this position as well, see Page 10-41.
• Secondary air inlet valve
  -N112
• ◆ Not fitted on this engine version

• Secondary air pump motor -V101
• ◆ Not fitted on this engine version
• Exhaust gas temperature sender 2 (G236)
• ◆ On vehicles meeting emission standard EU III, this sender is fitted together with exhaust gas temperature sender -1- (G235) at position -8-. In that case both senders are fitted one behind the other, see Page 10-41.

• Air recirculation valve for turbocharger (N249)
• Fuel pressure regulator
• Hall sender (G163)
• ◆ Cylinder bank 2
• Relay for secondary air pump (J299)
• ◆ Not fitted on this engine version
• Engine control unit (J220)
• 3 pin connector
• ◆ For engine speed sender (G28)
• ◆ Grey
• 3 pin connector
• ◆ For knock sensor 2 (G66)
• Connector for Bank 2 Lambda probe 1 -G108 and Lambda probe heater -Z28
• ◆ 4-pin/black

• Camshaft adjustment valve 2 (N208)
• Throttle valve control part (J338)
• ◆ With throttle valve drive (G186), angle sender for throttle valve drive (G187) and angle sender 2 for throttle valve drive (G188)
• Charge pressure sender (G31)
• ◆ In rubber connecting piece in front of throttle valve control part
• Hall sender (G40)
• ◆ Cylinder bank 1
• Output stage 2 (N192)
• ◆ For ignition coils on cylinder bank 2
• Output stage (N122)
• ◆ For ignition coils on cylinder bank 1

• Camshaft adjustment valve 1 (N205)
• Bank 1 Lambda probe 1 -G39 with lambda probe heater
  -Z19
• Knock sensor 1 (G61)
• Knock sensor 2 (G66)
• Engine speed sender (G28)
• ◆ In gearbox housing above sender disc
• Bank 2 Lambda probe 1 -G108 with lambda probe heater
  -Z28

• Ignition coils for cylinder bank 2
• ◆ Cylinder 4 (-N163)
• ◆ Cylinder 5 (-N164)
• ◆ Cylinder 6 (-N189)
• Injectors
• ◆ Cylinder bank 2
  Cylinder 4 (N33)
  Cylinder 5 (N83)
  Cylinder 6 (N84)
• Intake air temperature sender (G42)
• ◆ Under the intake manifold at the front, near the throttle valve control part
• 2-pin connector
• ◆ For intake air temperature sender (This connector is used as the connection point for tests.)

• Injectors
• ◆ Cylinder bank 1
  Cylinder 1 (N30)
  Cylinder 2 (N31)
  Cylinder 3 (N32)
• Ignition coils for cylinder bank 1
• ◆ Cylinder 1 (-N)
• ◆ Cylinder 2 (-N128)
• ◆ Cylinder 3 (-N158)
• Air mass meter (G70)

Fitting location of exhaust gas temperature senders

→ Fig.1    Fitting location of exhaust gas temperature senders on vehicles meeting emission standard EU-III.

-1- = Sender 1 for exhaust gas temperature -G235

-2- = Sender 2 for exhaust gas temperature -G236