A4 Quattro Sedan L4-1.8L Turbo (AWM) (2001)
5
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Engine - Coolant Temperature (ECT) sensor -G62-
6
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Fuel pressure regulator
7
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Engine Speed (RPM) sensor -G28-
8
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Secondary Air Injection (AIR) solenoid valve- N112-
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Installation location See Fig.4
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Green harness connector
9
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Bracket for harness connectors
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Component location See Fig. 1
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Accessible with coolant expansion tank unbolted and swung to the side.
10
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Instrument cluster
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with exhaust Malfunction Indicator Lamp (MIL). Notes for Malfunction Indicator Lamp (MIL)
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with Electronic Power Control (EPC) warning lamp -K132- (EPC warning lamp). Significance of EPC warning lamp
11
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Throttle - Position (TP) sensor -G79- and sender 2 for accelerator pedal position -G185-
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Component location See Fig. 5
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Adapt kick down function
12
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Brake light switch -F- and brake pedal switch -F47-
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Component location See Fig. 3
13
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E-box, plenum chamber
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Installation locations See Fig 6
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Installation location for motronic Engine Control Module (ECM) - J220- with integrated Barometric pressure (BARO) sensor -F96-
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Check voltage supply of Engine Control Module (ECM)
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Procedure to follow after open circuit in voltage supply
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Replacing Engine Control Module (ECM)
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Installation location of Secondary Air Injection (AIR) pump relay - J299-
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Check Secondary Air Injection (AIR) pump relay -J299-:
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Installation location of motronic Engine Control Module (ECM) voltage supply relay -J271-
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Check motronic Engine Control Module (ECM) voltage supply relay -J271-
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Installation location of fuse S130 for Secondary Air Injection (AIR) pump
14
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Clutch vacuum vent valve switch -F36-
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Component location See Fig. 3
15
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Charge air pressure sensor -G31-
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Installation location See Fig.7
16
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Throttle valve control module -J338-
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With throttle drive (power accelerator actuation) -G186-, angle sensor -1- for throttle drive (power accelerator actuation) -G187-, and angle
sensor -2- for throttle drive (power accelerator actuation) -G188-
17
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Intake Air Temperature (IAT) sensor -G42-
18
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Recirculating - valve for turbocharger -N249-
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Installation location See Fig.4
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Blue harness connector
19
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Knock Sensor (KS) 1-G61-
20
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Knock Sensor (KS) 2-G66-
21
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Camshaft Position (CMP) sensor 2-G40-
22
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Fuel injector
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Cylinder 1 Fuel Injector -N30-
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Cylinder 2 fuel injector -N31-
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Cylinder 3 fuel injector -N32-
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Cylinder 4 fuel injector -N33-
23
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Ignition Coil
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Ignition coil -N-
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Ignition coil 2 -N128-
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Ignition coil 3 -N158-
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Ignition coil 4 -N163-
24
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Wastegate bypass regulator valve -N75-
25
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Mass Air Flow (MAF) sensor -G70-
26
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Secondary Air Injection (AIR) pump motor-V101-
Fig.1 Installation location, harness connectors