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3.2L - Fuel Injection System - Engine Code(s): Bub & Cbra: Component Locations Audi A3 8P facelift

Fuel System 21 illustrations ~1290 words

COMPONENT LOCATIONS

Note. Component location of Clutch Position Sensor -G476- on vehicles with manual transmission (Scheme 180)

Scheme 177

Scheme 177: COMPONENT LOCATIONS
Scheme 177: COMPONENT LOCATIONS
  1. 3-pin harness connector For Knock Sensor (KS) 1 -G61
  2. Knock Sensor (KS) 1 -G61- Component location (Scheme 194)
  3. Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80
  4. Heated Oxygen Sensor (HO2S) -G39- before catalytic converter with Oxygen Sensor (O2S) Heater -Z19- Component location (Scheme 182) Removing and installing «OXYGEN SENSORS BEFORE CATALYTIC CONVERTER»(ref-496077-S01349366652012082100000)
  5. Connectors For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- with Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater -Z29- and Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- with Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater -Z30- Component location (Scheme 183)
  6. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- with Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater -Z29- Component location (Scheme 184) Removing and installing «OXYGEN SENSORS AFTER CATALYTIC CONVERTER»(ref-496077-S17959824642012082100000)
  7. Heated Oxygen Sensor (HO2S) 2 -G108- before catalytic converter with Oxygen Sensor (O2S) 2 Heater -Z28- Component location (Scheme 182) Removing and installing «OXYGEN SENSORS BEFORE CATALYTIC CONVERTER»(ref-496077-S01349366652012082100000)
  8. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- with Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater -Z30- Component location (Scheme 184) Removing and installing «OXYGEN SENSORS AFTER CATALYTIC CONVERTER»(ref-496077-S17959824642012082100000)
  9. Motronic engine control module -J220- Removing and installing «ENGINE CONTROL MODULE»(ref-496077-S36839656952012082100000)
  10. Positive Crankcase Ventilation (PCV) Heating Element -N79
  11. Throttle valve control module -J338- With Throttle Drive (for Electronic Power Control (EPC)) -G186-, Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) -G187- and Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) -G188
  12. Connectors For Heated Oxygen Sensor (HO2S) -G39- before catalytic converter with Oxygen Sensor (O2S) Heater -Z19- and Heated Oxygen Sensor (HO2S) 2 -G108- before catalytic converter with Oxygen Sensor (O2S) 2 Heater -Z28- Component location (Scheme 181)
  13. Mass air flow (MAF) sensor -G70
  14. Instrument Cluster With Malfunction Indicator Lamp (MIL) -K83
  15. Throttle Position (TP) Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185- Component location (Scheme 178)
  16. Brake Light Switch -F- and Brake Pedal Switch -F47- Component location (Scheme 179)
  17. Secondary Air Injection Sensor 1 -G609- For engine code CBRA only Component location (Scheme 188)
  18. Secondary Air Injection (AIR) Pump Relay -J299- Component location (Scheme 186)
  19. Motronic engine control module (ECM) power supply relay -J271- Component location (Scheme 185)
  20. Fuel pump (FP) relay -J17- Component location (Scheme 185)
  21. Camshaft position (CMP) sensor 2 -G163- Component location (Scheme 192)
  22. Camshaft Adjustment Valve 1 (exhaust) -N318- Brown harness connector Component location (Scheme 192)
  23. Camshaft Adjustment Valve 1 -N205- Black harness connector Component location (Scheme 192)
  24. Camshaft Position (CMP) sensor -G40- Component location (Scheme 192)
  25. Engine Coolant Temperature (ECT) Sensor -G62- Component location (Scheme 193)
  26. Engine speed (RPM) sensor -G28- Component location (Scheme 189)
  27. Actuator for intake manifold change-over
  28. Secondary Air Injection (AIR) Pump Motor -V101
  29. Intake Manifold Tuning (IMT) Valve -N156- Component location (Scheme 191)
  30. Secondary air injection (AIR) solenoid valve -N112- For vehicles with vacuum-actuated secondary air injection combination valve For engine code CBRA and secondary air injection (AIR) solenoid valve 2 -N320- Component location (Scheme 190)
  31. Knock Sensor (KS) 2 -G66- Component location (Scheme 195)
  32. 3-pin harness connector For Engine Speed (RPM) Sensor -G28- Component location (Scheme 189)
  33. Ignition coils with power output stages Cylinder 1 Ignition Coil 1 with Power Output Stage -N70- Cylinder 2 Ignition Coil 2 with Power Output Stage -N127- Cylinder 3 Ignition Coil 3 with Power Output Stage -N291- Cylinder 4 Ignition Coil 4 with Power Output Stage -N292- Cylinder 5 Ignition Coil 5 with Power Output Stage -N323- Cylinder 6 Ignition Coil 6 with Power Output Stage -N324
  34. Fuel injector Cylinder 1 Cylinder 1 Fuel Injector -N30- Cylinder 2 Cylinder 2 Fuel Injector -N31- Cylinder 3 Cylinder 3 Fuel Injector -N32- Cylinder 4 Cylinder 4 Fuel Injector -N33- Cylinder 5 Cylinder 5 Fuel Injector -N83- Cylinder 6 Cylinder 6 Fuel Injector -N84- Checking injection quantity, leaks and spray pattern of fuel injectors «FUEL INJECTORS, CHECKING INJECTION QUANTITY, SPRAY PATTERN AND SEAL»(ref-496077-S22419237172012082100000) Removing and installing «FUEL INJECTORS»(ref-496077-S03372413222012082100000)

Scheme 178

Scheme 178
Scheme 178
  1. To disconnect electrical harness connector -2-, press release button and pull off wiring -1-.

Note. Illustration depicts allocation for left-hand drive.

Scheme 179

Scheme 179
Scheme 179
  1. On pedal bracket.
  2. Removing and installing «Removal and Installation»(ref-496082-S41044515892012082100000) .

Scheme 180

Scheme 180
Scheme 180
  1. On clutch master cylinder.
  2. Removing and installing «REMOVAL AND INSTALLATION»(ref-496092-S26718332832012082100000) .

Scheme 181

Scheme 181
Scheme 181
  1. Heated Oxygen Sensor (HO2S) 2 -G108- before catalytic converter with Oxygen Sensor (O2S) 2 Heater -Z28
  2. Heated Oxygen Sensor (HO2S) -G39- before catalytic converter with Oxygen Sensor (O2S) Heater -Z19

Scheme 182

Scheme 182
Scheme 182
  1. In front exhaust pipe.
  1. Heated Oxygen Sensor (HO2S) 2 -G108- before catalytic converter with Oxygen Sensor (O2S) 2 Heater -Z28
  2. Heated Oxygen Sensor (HO2S) -G39- before catalytic converter with Oxygen Sensor (O2S) Heater -Z19

Scheme 183

Scheme 183
Scheme 183
  1. At the right of the underbody under the vehicle underbody cover.
  1. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- with Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater -Z29
  2. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- with Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater -Z30

Scheme 184

Scheme 184
Scheme 184
  1. In catalytic converters.
  1. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- with Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater -Z29
  2. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- with Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater -Z30

Scheme 185

Scheme 185
Scheme 185
  1. In E-box, engine compartment.

R3 - Fuel pump (FP) relay -J17

R4 - Motronic engine control module (ECM) power supply relay -J271

Scheme 186

Scheme 186
Scheme 186
  1. On 6-pin relay carrier -arrow- below engine compartment E-box; terminal 5.

Scheme 187

Scheme 187
Scheme 187
  1. On relay carrier under E-Box, engine compartment.

To remove relay carrier under E-Box in engine compartment, pull out -arrow- and pull off Secondary Air Injection (AIR) Pump Relay -J299- -1- from position in relay carrier.

Scheme 188

Scheme 188
Scheme 188
  1. Near throttle valve control module -J338
  1. Secondary Air Injection Sensor 1 -G609
  1. Removing and installing «REMOVAL AND INSTALLATION»(ref-496084-S21863107142012082100000) .

Note. Ignore -arrows-.

Scheme 189

Scheme 189
Scheme 189
  1. At front on engine.
  1. 3-pin harness connector
  2. Engine speed (RPM) sensor -G28

Scheme 190

Scheme 190
Scheme 190
  1. Secondary air injection (AIR) solenoid valve -N112
  2. Secondary Air Injection (AIR) Solenoid Valve 2 -N320- (for engine code CBRA only)

Scheme 191

Scheme 191
Scheme 191
  1. On vacuum reservoir at front on engine.

Scheme 192

Scheme 192
Scheme 192
  1. Left on cylinder head.
  1. Camshaft Position (CMP) sensor -G40
  2. Camshaft position (CMP) sensor 2 -G163
  3. Camshaft Adjustment Valve 1 -N205
  4. Camshaft Adjustment Valve 1 (exhaust) -N318

Scheme 193

Scheme 193
Scheme 193
  1. At left front on cylinder head

Scheme 194

Scheme 194
Scheme 194
  1. At right rear on cylinder block.
  1. Knock Sensor (KS) 1 -G61
  2. 3-pin harness connector

Scheme 195

Scheme 195
Scheme 195
  1. At front on cylinder block.

Scheme 196

Scheme 196: AIR FILTER ASSEMBLY OVERVIEW
Scheme 196: AIR FILTER ASSEMBLY OVERVIEW
  1. Lower section for air duct
  2. Air duct
  3. Air duct cover
  4. Rubber grommet
  5. 10 Nm
  6. 5 Nm
  7. 3 Nm
  8. Air guide hose
  9. Mass air flow (MAF) sensor -G70- Removing and installing «MASS AIR FLOW SENSOR»(ref-496077-S04379273782012082100000)
  10. Seal Replace if damaged
  11. Upper part of air filter housing Removing and installing «AIR FILTER ELEMENT»(ref-496077-S05361954232012082100000)
  12. Air filter element Removing and installing «AIR FILTER ELEMENT»(ref-496077-S05361954232012082100000) Observe change intervals 808
  13. Lower part of air filter housing Removing and installing «AIR FILTER HOUSING»(ref-496077-S08171553002012082100000)
  14. 10 Nm
  15. Rubber grommet
  16. 10 Nm
  17. Air filter housing bracket
  18. Gasket
  19. 2 Nm

Scheme 197

Scheme 197: INTAKE MANIFOLD COMPONENT OVERVIEW
Scheme 197: INTAKE MANIFOLD COMPONENT OVERVIEW
  1. Change-over roller
  2. Bearing bushing
  3. O-ring Replace
  4. Metal screw
  5. Bearing cap
  6. Intake manifold
  7. 20 Nm
  8. 20 Nm
  9. Seal
  10. Connection for crankcase ventilation With Positive Crankcase Ventilation (PCV) Heating Element -N79
  11. O-ring
  12. Throttle valve control module -J338
  13. 10 Nm
  14. 20 Nm
  15. Heat shield for exhaust manifold With intake manifold support
  16. Gasket Replace Insert in intake manifold
  17. 13 Nm
  18. Metal screw
  19. Vacuum actuator
  20. Low pressure connection To Intake Manifold Tuning (IMT) Valve -N156
  21. O-ring Replace
  22. Bearing bushing

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