A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
10 -
Instrument cluster
11 -
Throttle - Position (TP) sensor -G79- and sender 2 for accelerator position -G185-
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See Fig.5
12 -
Brake light switch -F- and brake pedal switch -F47-
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See Fig.3
13 -
E-box, plenum chamber
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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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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) power supply relay -J271-
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Installation location of fuse S130 for Secondary Air Injection (AIR) pump
14 -
Clutch vacuum vent valve switch -F36-
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See Fig.3
15 -
Charge air pressure sensor -G31-
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See Fig.7
16 -
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 -
Intake Air Temperature (IAT) sensor -G42-
18 -
Recirculating - valve for turbocharger -N249-
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See Fig.4
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Blue harness connector
19 -
Knock Sensor (KS) 1 -G61-
20 -
Knock Sensor (KS) 2 -G66-
21 -
Camshaft Position (CMP) sensor 2 -G40-
22 -
Fuel injectors -N30- through -N33-
23 -
Ignition coils -N-, -N128-, -N158-, -N163-
24 -
Wastegate bypass regulator valve -N75-
25 -
Mass Air Flow (MAF) sensor -G70-
26 -
Secondary Air Injection (AIR) pump motor -V101-
Fig. 1 Installation location, harness connectors
The following harness connectors are located below the coolant expansion tank:
1
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4-pin harness connector, brown for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S)
Heater 1 -Z29- (bank 1 sensor 2)
2
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6-pin harness connector, black for Heated Oxygen Sensor (HO2S) -G39- before catalytic converter and Oxygen Sensor (O2S) Heater -Z19-
(bank 1 sensor 1)
3
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3-pin harness connector, gray for Engine Speed (RPM) sensor -G28-
4
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3-pin harness connector, blue for Knock Sensor (KS) 2 -G66-
5
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3-pin harness connector, green for Knock Sensor (KS) 1 -G61-
Fig. 2 Component locations Fuel Pump (FP) Relay -J17-