2.0L - Multiport Fuel Injection - Engine Code(s): Cbfa & Ccta: Overview Audi A3 8P facelift 2

COMPONENT LOCATION OVERVIEW

Components A through V are not shown in the exploded view illustration.

Scheme 90

1. Camshaft Adjustment Valve 1 -N205- Component location (Scheme 97)Removing and installing, refer to «REMOVAL AND INSTALLATION»(ref-496097-S39963047032012082100000)
2. Wastegate Bypass Regulator Valve -N75- Installed directly on turbocharger (Scheme 118)
3. Turbocharger Recirculating Valve -N249- Installed directly on turbocharger (Scheme 118)
4. Ignition Coils with Power Output Stages Ignition Coils with Power Output Stages Removing and installing, refer to «IGNITION COILS WITH POWER OUTPUT STAGES»(ref-496111-S40786872712012082100000) Ignition coil 1 with power output stage -N70- Ignition coil 2 with power output stage -N127- Ignition coil 3 with power output stage -N291- Ignition coil 4 with power output stage -N292- The ignition coils must be pulled out of the cylinder head using the ignition coil puller T40039
5. Engine Control Module -J623- Removing and installing, refer to «Engine Control Module -J623»(ref-496076-S25328049642012082100000)
6. High Pressure Pump Component location (Scheme 93)Removing and installing, refer to «HIGH PRESSURE PUMP»(ref-496076-S38649884452012082100000)
7. Fuel Pressure Regulator Valve -N276- Component location (Scheme 93)
8. Engine Coolant Temperature (ECT) Sensor on Radiator Outlet -G83- Component location (Scheme 106)
9. Vacuum Diaphragm for the Charge-Motion Valves Component location (Scheme 94)
10. Intake Manifold Runner Control (IMRC) Valve -N316- Component location (Scheme 94)
11. Engine Speed Sensor -G28- Component location (Scheme 102)
12. Charge Air Pressure Sensor -G31- Component location (Scheme 107)
13. Electrical Connector from Knock Sensor (KS) 1 -G61- Component location (Scheme 104)
14. Electrical Connector from the Camshaft position (CMP) sensor -G40- Component location (Scheme 104)
15. 8-Pin Harness Connector for Fuel Injectors Component location (Scheme 104)
16. Throttle Valve Control Module -J338-, Electronic Power Control (EPC) Throttle Drive -G186- EPC throttle drive angle sensor 1 -G187- and EPC throttle drive angle sensor 2 -G188- After replacing the throttle valve control module -J338-, it must be adapted to the Engine Control Module (ECM) -J623-. Use a vehicle diagnosis tester.
17. Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80
18. Intake Air Temperature (IAT) Sensor -G42- 11 Nm
19. Knock Sensor (KS) 1 -G61- 20 Nm Knock Sensor (KS) 2 -G66- (not installed on all vehicles) Removing and installing, refer to «Knock Sensor 1 -G61»(ref-496111-S38018760112012082100000)
20. Engine Coolant Temperature (ECT) Sensor -G62- Component location (Scheme 105)
21. Camshaft Position (CMP) Sensor -G40- Installation location below the cover with the oil separator (Scheme 103)
22. Fuel Pressure Sensor -G247- 27 Nm Component location (Scheme 95)Removing and installing, refer to «Fuel Pressure Sensor -G247»(ref-496076-S32030880672012082100000)
23. Intake Manifold Runner Position Sensor -G336- Installed locations (Scheme 96)
24. Oil Pressure Switch -F1- Oil pressure switch Installed locations (Scheme 109)Removing and installing, refer to «DESCRIPTION AND OPERATION»(ref-496105-S42006418182012082100000) A - Oil Pressure Switch -F22 Engine code CCZA B - Oil Pressure Regulation Valve -N428 Engine code CCZA C - Data Link Connector (DLC) In knee bolster on driver's side D - Mass Airflow (MAF) Sensor -G70- and Intake Air Temperature (IAT) Sensor 2 -G299 Component location (Scheme 98) Removing and installing, refer to «Mass Airflow Sensor -G70»(ref-496076-S39700374182012082100000) E - Fuel Pump (FP) Control Module -J538 Component location (Scheme 99)F - Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19 Installed location on engine codes CCTA (Scheme 111)Installation location, engine code CBFA (Scheme 112)Oxygen sensors, assembly overview, refer to «OXYGEN SENSORS OVERVIEW»(ref-496076-S40089284792012082100000) G - Electrical Connector from the Heated Oxygen Sensor -G39- and Oxygen Sensor Heater -Z19- Installed location (Scheme 110)H - Oxygen Sensor after Three Way Catalytic Converter -G130- and Heater for Oxygen Sensor 1 after Catalytic Converter -Z29- Installed location on engine codes CCTA (Scheme 114)Installation location, engine code CBFA (Scheme 116)Oxygen sensors, assembly overview, refer to «OXYGEN SENSORS OVERVIEW»(ref-496076-S40089284792012082100000) I - Electrical Connector from the Oxygen Sensor (O2S) after Three Way Catalytic (TWC) Converter -G130- and Heater for Oxygen Sensor (O2S) 1 after Catalytic Converter -Z29- Installed location on engine codes CCTA (Scheme 113)Installation location, engine code CBFA (Scheme 115)J - Oxygen Sensor 3 after Catalytic Converter -G287- and Heater for Oxygen Sensor 3 after Catalytic Converter -Z64- Only installed on vehicles with engine code: CBFA Installation location, engine code CBFA (Scheme 116)Oxygen sensors, assembly overview, refer to «OXYGEN SENSORS OVERVIEW»(ref-496076-S40089284792012082100000) K - Electrical Connector from the Oxygen Sensor (O2S) 3 after Catalytic Converter -G287- Only installed on vehicles with engine code: CBFA Installation location, engine code CBFA (Scheme 115)L - Brake Lamp Switch - F- and Brake Pedal Switch -F63- Component location (Scheme 101)Removing and installing, refer to «Removal and Installation»(ref-496083-S11872182502012082100000) M - Accelerator Pedal Position Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185- Component location (Scheme 92)On accelerator pedal (both sensors are stored in one housing) If the accelerator pedal module or Engine Control Module (ECM) is replaced in vehicles with automatic transmission, the kick-down function must be adapted. Removing and installing, refer to «REMOVAL AND INSTALLATION»(ref-496072-S05389167162012082100000) N - Clutch Position Sensor -G476- Only for vehicles with manual transmission Component location (Scheme 100)Removing and installing, see transmission - clutch, refer to «REMOVAL AND INSTALLATION»(ref-496092-S26718332832012082100000) O - Relay and Fuse Carrier in E-Box Relay and fuse assignment, refer to appropriate SYSTEM WIRING DIAGRAM P - Coolant Fan Control (FC) Module -J293- Component location (Scheme 108)Q - Fuel Injectors Removing and installing, refer to «FUEL INJECTORS»(ref-496076-S10777652962012082100000) Cylinder 1 Fuel Injector -N30- Cylinder 2 Fuel Injector -N31- Cylinder 3 Fuel Injector -N32- Cylinder 4 Fuel Injector -N33- R - After-Run Coolant Pump -V51- Component location (Scheme 120)S - Secondary Air Injection (AIR) Pump Motor -V101- Only installed on vehicles with engine code: CBFA Removing and installing, refer to «REMOVAL AND INSTALLATION»(ref-496086-S19768957482012082100000) T - Secondary Air Injection (AIR) Solenoid Valve -N112- Only installed on vehicles with engine code: CBFA Component location (Scheme 117)V - Secondary Air Injection Sensor 1 -G609- Only installed on vehicles with engine code: CBFA Component location (Scheme 117)

Scheme 91

2 - Accelerator pedal module, electrical connector

Removing and installing, refer to REMOVAL AND INSTALLATION .

Scheme 92

2 - Fuel Pressure Regulator Valve -N276

Scheme 93

1 - Intake manifold flap vacuum diaphragm

Note. The intake manifold flaps are the same as the channel separating plates.

Scheme 94

Scheme 95

Scheme 96

Scheme 97

Scheme 98

1 - Fuel pump control module -J538- connector

2 - Fuel pump control module -J538

3 - Transfer fuel pump -G6

Scheme 99

Removing and installing, refer to REMOVAL AND INSTALLATION

Scheme 100

Removing and installing, refer to Removal and Installation

Scheme 101

Scheme 102

Scheme 103

1 - From the camshaft position sensor -G40- and intake manifold runner position sensor -G336

2 - From the Knock Sensor (KS) 1 -G61

3 - 8-pin harness connector for fuel injectors

Scheme 104

Note. Under the intake manifold (the intake manifold is not shown in the illustration).

Scheme 105

Scheme 106

Scheme 107

1

Coolant FC control module, connector

Note. The Coolant FC control module is integrated in the coolant fan -V7-.

Scheme 108

1 - Reduced oil pressure switch -F378- (engine code CCZA)

2 - Reduced oil pressure switch -F378- connector (engine code CCZA)

3 - Oil pressure switch -F1- (engine codes CCTA and CBFA)

3 - Oil pressure switch -F22- (engine code CCZA)

4 - Oil pressure switch -F1- connector or oil pressure switch -F22

Scheme 109

1. Electrical connector for the Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) heater -Z19

Scheme 110

1. Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) heater -Z19

Scheme 111

1. Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) heater -Z19

Scheme 112

Arrow- electrical connector for the oxygen sensor after three way catalytic converter -G130- and heater for oxygen sensor 1 after catalytic converter -Z29

Scheme 113

1. Oxygen sensor after three way catalytic converter -G130- with heater for oxygen sensor 1 after catalytic converter -Z29

Note. The arrow in the illustration points in the direction of travel.

Scheme 114

1 - Electrical connector for the O2S sensor 3 after catalytic converter -G287- and heater for oxygen sensor 3 after catalytic converter -Z64

2 - Electrical connector for the O2S sensor after three way catalytic converter -G130- and heater for oxygen sensor 1 after catalytic converter -Z29

Scheme 115

1 - Oxygen sensor 3 (O2S) after catalytic converter -G287- and heater for oxygen sensor 3 after catalytic converter -Z64

2 - Oxygen sensor after three way catalytic converter -G130- and heater for oxygen sensor 1 after catalytic converter -Z29

Note. The arrow in the illustration points in the direction of travel.

Scheme 116

1 - Electrical connector from the AIR solenoid valve -N112

2 - Air Sensor 1 -G609

3 - AIR solenoid valve -N112

Scheme 117

1 - Turbocharger, Removing and installing, refer to REMOVAL AND INSTALLATION

2 - Tighten the wastegate bypass regulator valve -N75- to 3 Nm.

3 - Tighten the turbocharger recirculating valve -N249- to 7 Nm (observe installation location, next illustration)

Scheme 118

Scheme 119

Scheme 120

1. Fuel Injector With combustion chamber seal (Teflon seal), always replace Replace O-rings Note correct installation position Removing and installing, refer to «FUEL INJECTORS»(ref-496076-S10777652962012082100000)
2. Support Ring
3. Fuel Rail Removing and installing, refer to «INTAKE MANIFOLD WITH FUEL RAIL»(ref-496076-S00355038332012082100000)
4. High Pressure Pump With fuel pressure regulator valve -N276- There is an electric fuel pump located in the tank that supplies the fuel to the mechanical high pressure pump. When installing, make sure that no dirt enters the fuel system. The fuel system must be without pressure to install the high-pressure pump, releasing fuel pressure, refer to «RELEASING PRESSURE IN HIGH PRESSURE AREA»(ref-496076-S37910993462012082100000) Do not install fuel lines with tension Removing and installing, refer to «HIGH PRESSURE PUMP»(ref-496076-S38649884452012082100000)
5. Roller Tappet
6. Fuel Pressure Regulator Valve -N276
7. High Pressure Pump Bolts Tighten by hand in a diagonal sequence and then tighten to 5 Nm Final specification for M8 bolts = 20 Nm Do not tilt the high pressure pump
8. Fuel Supply Line Connectors 40 Nm Replace
9. Fuel Supply Line Union Nut 20 Nm
10. Channel Separating Plates (intake manifold flaps)
11. Gasket Replace
12. Intake Manifold Removing and installing, refer to «INTAKE MANIFOLD WITH FUEL RAIL»(ref-496076-S00355038332012082100000)
13. Channel Separating Plate Vacuum Diaphragm (intake manifold flaps)
14. Throttle Valve Control Module -J338-, Electronic Power Control (EPC) Throttle Drive -G186- EPC throttle drive angle sensor 1 -G187- and EPC throttle drive angle sensor 2 -G188- After replacing the throttle valve control module -J338-, it must be adapted to the Engine Control Module (ECM) -J623-. Use a vehicle diagnosis tester.
15. Intake Manifold Bolts 9 Nm
16. Intake Manifold Runner Position Sensor -G336- Adapt the intake manifold runner position sensor -G336- to the engine control module -J623- after removing, installing or replacing the intake manifold runner position sensor -G336- or the intake manifold. Use a vehicle diagnostic tester in "Guided Functions".
17. Fuel Pressure Sensor -G247- 27 Nm Coat the threads with clean engine oil. Always replace the connections and tighten them to 40 Nm. Component location (Scheme 95)Removing and installing, refer to «Fuel Pressure Sensor -G247»(ref-496076-S32030880672012082100000)

HIGH PRESSURE PUMP OVERVIEW

Scheme 121

1. Fuel Supply Line from the Fuel Tank
2. High Pressure Pump Bolt First tighten the bolts diagonally hand-tight, then to 5 Nm and then to 20 Nm. Do not tilt the high pressure pump
3. High Pressure Pump There is an electric fuel pump located in the tank that supplies the fuel to the mechanical high pressure pump. When installing, make sure that no dirt enters the fuel system. The fuel system must be without pressure, releasing fuel pressure, refer to «RELEASING PRESSURE IN HIGH PRESSURE AREA»(ref-496076-S37910993462012082100000) Do not install fuel lines with tension Removing and installing, refer to «HIGH PRESSURE PUMP»(ref-496076-S38649884452012082100000)
4. O-ring Replace
5. Roller Tappet Remains inserted in the vacuum pump after removing the high pressure pump
6. Connecting Piece No replacement part, it is part of the high pressure pump Do not loosen
7. Adapter 40 Nm There is an adapter between the connection and the fuel supply line, depending on the date of manufacture. If the adapter is there, then it must be replaced.
8. High Pressure Fuel Line 20 Nm Do not install fuel line with tension
9. High Pressure Pump Bolt First tighten the bolts diagonally hand-tight, then to 5 Nm and then to 20 Nm. Do not tilt the high pressure pump
10. Connections for the Fuel Supply Line on the Fuel Rail 25 Nm Replace
11. Fuel Rail Removing and installing, refer to «FUEL RAIL»(ref-496076-S29006537242012082100000)

Scheme 122

1. Bolt for Intake Air Temperature (IAT) Sensor -G42- 5 Nm
2. Intake Air Temperature (IAT) Sensor -G42
3. Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80- With double check-valve, checking, refer to «DOUBLE CHECK-VALVE, CHECKING»(ref-496076-S32501735302012082100000)
4. Intake Manifold Removing and installing, refer to «INTAKE MANIFOLD WITH FUEL RAIL»(ref-496076-S00355038332012082100000)
5. Channel Separating Plate Vacuum Diaphragm (intake manifold flaps)
6. Intake Manifold Runner Control (IMRC) Valve -N316
7. Fuel Injectors Replace the O-ring and Teflon® ring Note correct installation position Removing and installing, refer to «FUEL INJECTORS»(ref-496076-S10777652962012082100000)
8. Intake Manifold Support
9. Bolt for the Intake Manifold Support 23 Nm
10. Nut for the Intake Manifold Support 10 Nm
11. Bolts for the Throttle Valve Control Module -J338 5 Nm
12. Throttle Valve Control Module -J338-, Electronic Power Control (EPC) Throttle Drive -G186- EPC throttle drive angle sensor 1 -G187- and EPC throttle drive angle sensor 2 -G188- After replacing the throttle valve control module -J338-, it must be adapted to the Engine Control Module (ECM) -J623-. Use a Vehicle Diagnosis Tester.
13. Seal Replace

OXYGEN SENSORS OVERVIEW

1. Electrical connector for the Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor Heater (O2S) -Z19

1. Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor Heater (O2S) -Z19

1. Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19

Arrow- electrical connector for the Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) -G130- and Heater for Oxygen Sensor (O2S) 1 after catalytic converter -Z29

1. Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) -G130- and Heater for Oxygen Sensor (O2S) 1 after catalytic converter -Z29

Note. The arrow in the illustration points in the direction of travel.

1 - Oxygen Sensor (O2S) 3 after catalytic converter -G287- and Heater for Oxygen Sensor (O2S) 3 after catalytic converter -Z64

2 - Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) -G130- and Heater for Oxygen Sensor (O2S) 1 after catalytic converter -Z29

Note. The arrow in the illustration points in the direction of travel.

1 - Electrical connector for the Oxygen Sensor (O2S) 3 after catalytic converter -G287- and Heater for Oxygen Sensor (O2S) 3 after catalytic converter -Z64

2 - Electrical connector for the Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) -G130- and Heater for Oxygen Sensor (O2S) 1 after catalytic converter -Z29

Note. New oxygen sensors are coated with assembly paste; the paste must not get into the slots of oxygen sensor body. For a used oxygen sensor, only coat threads with hot bolt paste. This paste must not come into contact with oxygen sensor slots. Hot bolt paste, Electrical wire of oxygen sensor must always be secured in the same position when installing so that contact with the exhaust pipe is avoided.

1. Tightening Specifications: 55 Nm

Engine code CCTA: Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) heater -Z19- in front of the catalytic converter, Removing and installing, refer to Heated Oxygen Sensor -G39- AND Oxygen Sensor Heater -Z19- BEFORE CATALYTIC CONVERTER .

Engine code CBFA: Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) heater -Z19-, Removing and installing, refer to Heated Oxygen Sensor -G39- AND Oxygen Sensor Heater -Z19- BEFORE CATALYTIC CONVERTER .

Engine codes CCTA: Oxygen Sensor (O2S) behind three way catalytic converter -G130- and Heater for Oxygen Sensor (O2S) 1 after catalytic converter -Z29- Removing and installing, refer to Oxygen Sensor after Three Way Catalytic Converter -G130- AND Heater for Oxygen Sensor 1 after Catalytic Converter -Z29 .

Engine code CBFA: Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) -G130- and Heater for Oxygen Sensor (O2S) 1 after catalytic converter -Z29-, Removing and installing Oxygen Sensor after Three Way Catalytic Converter -G130- AND Heater for Oxygen Sensor 1 after Catalytic Converter -Z29 .

Engine code CBFA: Oxygen Sensor (O2S) 3 after Three Way Catalytic Converter -G287- and Heater for Oxygen Sensor (O2S) 3 after catalytic converter -Z64-, Removing and installing Oxygen Sensor 3 after Catalytic Converter -G287- AND Heater for Oxygen Sensor 3 after Catalytic Converter -Z64 .