Audi Workshop Service and Repair Manuals

Note:

Some components are located under the engine cover. Removing

=>Fig.23-7.

• Accelerator pedal position sender -G79
• ◆ Fitting location
  => Fig.23-7
• Brake light switch -F and brake pedal switch -F47
• ◆ Fitting location
  => Fig.23-8
• Clutch pedal switch -F36
• ◆ Fitting location
  => Fig.23-8
• Relay in electronics box in plenum chamber
• ◆ Fitting locations
  =>Fig. 23-8

• Coolant temperature sender -G62
• Mechanical exhaust gas recirculation valve
• ◆ With intake manifold flap
• Connector
• ◆ For unit injector
  -N240...243
• Fuel temperature sender
  -G81
• Intake manifold pressure sender -G71 with intake manifold temperature sender -G72
• Connector
• ◆ For engine speed sender -G28
• Connector
• ◆ For Hall sender -G40 for camshaft position

• Diesel direct injection system control unit -J248
• ◆ With altitude sender -F96
• ◆ Renewing => Page 23-40
• Exhaust gas recirculation valve 1 -N18
• Engine speed sender -G28
• Hall sender -G40
• ◆ For camshaft position
• Pressure unit for charge pressure control
• Charge pressure control valve -N75 (solenoid valve)
• Air mass meter -G70
• Intake manifold flap change-over valve -N239

→ Fig.1    Removing engine cover

• ‒ Pull out oil dipstick -1- from dipstick tube.
• ‒ Unclip protecting covers.
• ‒ Unscrew nuts -arrows- and remove engine cover.
• ‒ Remove noise insulation lying underneath.
• ‒ Insert dipstick into dipstick tube.

→ Fig.2    Fitting location of accelerator position sender -G79

→ Fig.3    Fitting location of brake light switch -F, brake pedal switch -F47 and clutch pedal switch -F36

•     1 -    Clip
•     2 -    Brake light switch -F, brake pedal switch -F47
•     3 -    Clutch pedal switch -F36

Note:

To ensure a secure fitting, the switches may be installed only once.

Adjusting switch:

=> Brake system; Repair group 46

→ Fig.4    Fitting locations: relays in electronics box in plenum chamber

•     1 -    High heat output relay -J360
•     2a -    Low heat output relay -J359
•     3 -    Voltage supply relay (terminal 30) -J317