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Home >> Audi >> 2014 >> TT Quattro Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 68 (2.0L - Fuel Injection System - Engine Code(S): BPY & CDMA (Roadster)) >> 24 Fuel Injection System >> Description And Operation >> Component Location Overview

Component Location Overview

WARNING: This page is about a different variant/trim than selected.

Components A through N are not depicted in the exploded view illustration.

Fig 1: Identifying Component Location
GWWA24-10335Courtesy of AUDI OF AMERICA, LLC
  1. Wastegate Bypass Regulator Valve -N75-
    • Installed directly on turbocharger Figure
  2. Turbocharger Recirculating Valve -N249-
    • Installed directly on turbocharger Figure
  3. Ignition Coils with Power Output Stages
    • Removing and installing. Refer to IGNITION COILS WITH POWER OUTPUT STAGES .
    • 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
  4. Heated Oxygen Sensor -G39- and Oxygen Sensor Heater -Z19-
  5. Engine Control Module -J623-
  6. Single Piston High Pressure Pump
  7. Fuel Pressure Regulator Valve -N276-
  8. Camshaft Adjustment Valve 1 -N205-
  9. 6-Pin Harness Connector
    • For Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19- (black) Figure
  10. Low Fuel Pressure Sensor -G410-
    • 15 Nm
  11. Engine Coolant Temperature Sensor -G62-
  12. Engine Speed Sensor -G28-
    • Oil Pressure Sensor -G10-
    • Electrical connectors on Knock Sensor (KS) 1 -G61- and Knock Sensor (KS) 2 -G66-
    • Component location Figure
  13. Intake Flap Motor -V157- with Intake Manifold Runner Position Sensor -G336-
    • The intake manifold runner position sensor -G336- must be adapted to the engine control module -J623- after removing or replacing the fuel rail vehicle diagnosis, testing and information system VAS 5052 "Guided Function".
    • Removing and installing, refer to INTAKE FLAP MOTOR AND INTAKE MANIFOLD RUNNER POSITION SENSOR 
  14. EVAP Canister Purge Regulator Valve 1 -N80-
  15. Charge Air Pressure Sensor -G31-
  16. Connector
    • For Camshaft Position (CMP) Sensor -G40- and Fuel Pressure Sensor -G247-
    • Component location Figure
  17. Fuel Injector 8-Pin Harness Connector
  18. Throttle Valve Control Module -J338-, Throttle Drive for Electronic Power Control -G186-,
    • Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) -G187- and Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) -G188-
    • After replacing the throttle valve control module -J338-, it must be adapted to the engine control module -J623- see vehicle diagnosis and service system VAS 5052 "Guided Function".
  19. Intake Air Temperature Sensor -G42-
  20. Fuel Pressure Sensor -G247-
  21. Camshaft Position Sensor -G40-
    • Electrical harness connector Figure
  22. A - Mass Air Flow Sensor -G70-
  23. B - Fuel Pump Control Module -J538-
    • Figure
    • If Fuel Pump (FP) Control Module -J538- is replaced, a fuel pump adaptation must be performed. Basic setting measured values block 103. Refer to Diagnosis and Testing or via Vehicle Diagnosis and Service System VAS 5052 "Guided Functions".
  24. C - Brake Light Switch - F- and Brake Pedal Switch -F63-
  25. D - Throttle Position Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185-
    • Component location Figure
    • On accelerator pedal (both sensors are stored in one housing)
    • If the accelerator pedal module or engine control module is replaced in vehicles with automatic transmission, the kick-down function must be adapted.
    • Removing and installing, refer to Removal and Installation
  26. E - Clutch Position Sensor -G476-
    • Component location Figure
    • Remove and install.
  27. F - E-Box Relay and Fuse Carrier
    • Relay and fuse assignment.
  28. G - Coolant Fan Control Module -J293-
  29. H - Fuel Injector
    • In fuel rail pipe
    • Removing and installing, refer to FUEL INJECTORS 
    • Cylinder 1 Fuel Injector -N30-
    • Cylinder 2 Fuel Injector -N31-
    • Cylinder 3 Fuel Injector -N32-
    • Cylinder 4 Fuel Injector -N33-

      Fuel injectors referred to here are high pressure fuel injectors. They inject fuel directly into the cylinder under high pressure (max. approximately 110 bar).

  30. I - Oxygen Sensor After Catalytic Converter -G130- and Oxygen Sensor Heater 1 After Catalytic Converter -Z29-
  31. J - Knock Sensor I -G61-
    • For cylinder 1 and 2
    • 20 Nm
    • Component location Figure
  32. K - Knock Sensor 2 -G66-
    • For cylinder 3 and 4
    • 20 Nm
    • Component location Figure
  33. L - Oil Pressure Switch -F1-
  34. M - Engine Coolant Temperature Sensor (on Radiator) -G83-
  35. N - After-Run Coolant Pump -V51-


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

Fig 1: Identifying Component Location
GWWA24-10617Courtesy of AUDI OF AMERICA, LLC
  1. Wastegate Bypass Regulator Valve -N75-
    • Installed directly on turbocharger Fig 21
  2. Ignition Coils with Power Output Stages
    • Removing and installing, refer to IGNITION COILS WITH POWER OUTPUT STAGES
    • 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
  3. Heated Oxygen Sensor -G39- and Oxygen Sensor Heater -Z19-
  4. Engine Control Module -J623-
  5. Low Fuel Pressure Sensor -G410-
    • 15 Nm
  6. Single Piston High Pressure Pump
  7. Fuel Pressure Regulator Valve -N276-
  8. Camshaft Adjustment Valve 1 -N205-
  9. 6-Pin Harness Connector
    • For Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19- (black) Fig 17
  10. Mass Air Flow Sensor -G70-
  11. Engine Coolant Temperature Sensor -G62-
    • Component location Fig 3
  12. Engine Speed Sensor -G28-
    • Eectrical connectors on Knock Sensor (KS) 1 -G61- and Knock Sensor (KS) 2 -G66-
    • Component location Fig 12
  13. Intake Flap Motor -V157- with Intake Manifold Runner Position Sensor -G336-
    • The intake manifold runner position sensor -G336- must be adapted to the engine control module -J623- after removing or replacing the fuel rail vehicle diagnosis, testing and information system VAS 5052 "Guided Function".
    • Removing and installing, refer to INTAKE FLAP MOTOR AND INTAKE MANIFOLD RUNNER POSITION SENSOR 
  14. Charge Air Pressure Sensor -G31-
  15. Electrical Harness Connectors
    • For the fuel injectors, camshaft position sensor -G40- and fuel pressure sensor -G247-
    • Component location Fig 13
  16. EVAP Canister Purge Regulator Valve -N80-
  17. Turbocharger Recirculating Valve -N249-
  18. Throttle Valve Control Module -J338- and Throttle Drive for 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-
    • After replacing the throttle valve control module -J338-, it must be adapted to the engine control module -J623- see vehicle diagnosis and service system VAS 5052 "Guided Function".
  19. Intake Air Temperature Sensor -G42-
  20. After-Run Coolant Pump -V51-
  21. Engine Coolant Temperature Sensor (on Radiator) -G83-
    • Component location Fig 4
  22. Fuel Pressure Sensor -G247-
  23. Camshaft Position Sensor -G40-
    • Component location Fig 6
  24. A - Fuel Pump Control Module -J538-
    • Component location Fig 9
    • If Fuel Pump (FP) Control Module -J538- is replaced, a fuel pump adaptation must be performed. Basic setting measured values block 103. Refer to Diagnosis and Testing or via Vehicle Diagnosis and Service System VAS 5052 "Guided Functions"
  25. B - Brake Light Switch - F- and Brake Pedal Switch -F63-
  26. C - Throttle Position Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185-
    • Component location Fig 2
    • On accelerator pedal (both sensors are stored in one housing)
    • If the accelerator pedal module or engine control module is replaced in vehicles with automatic transmission, the kick-down function must be adapted.
    • Removing and installing, refer to Removal and Installation
  27. D - Clutch Position Sensor -G476-
    • Component location Fig 10
    • Remove and install.
  28. E - E-Box Relay and Fuse Carrier
    • Relay and fuse assignment
  29. F - Coolant Fan Control Control Module -J293-
  30. G - Fuel Injector
    • In fuel rail pipe
    • Removing and installing, refer to FUEL INJECTORS 
    • Cylinder 1 Fuel Injector -N30-
    • Cylinder 2 Fuel Injector -N31-
    • Cylinder 3 Fuel Injector -N32-
    • Cylinder 4 Fuel Injector -N33-

      Fuel injectors referred to here are high pressure fuel injectors. They inject fuel directly into the cylinder under high pressure (max. approximately 110 bar).

  31. H - Oxygen Sensor After Catalytic Converter -G130- and Oxygen Sensor Heater 1 After Catalytic Converter -Z29-
  32. I - Knock Sensor I -G61-
    • For cylinder 1 and 2
    • 20 Nm
    • Component location Fig 13
  33. J - Knock Sensor 2 -G66-
    • For cylinder 3 and 4
    • 20 Nm
    • Component location Fig 13
  34. K - Oil Pressure Switch -F1-
  35. L - Exhaust Flap Valve 1 -N321-
Fig 2: Component Location Of Throttle Position (TP) Sensor G79 With Accelerator Pedal Position Sensor 2 G185
GWWA20-1087Courtesy of AUDI OF AMERICA, LLC

2 - Accelerator pedal module, electrical connector

Removing and installing. Refer to Removal and Installation

Fig 3: Engine Coolant Temperature Sensor -G62- -1-
GWWA15-10615Courtesy of AUDI OF AMERICA, LLC
Fig 4: Engine Coolant Temperature Sensor (on Radiator) -G83- -1-
GWWA19-10691Courtesy of AUDI OF AMERICA, LLC
Fig 5: Fuel Pressure Sensor G247
GWWA24-10121Courtesy of AUDI OF AMERICA, LLC
Fig 6: Camshaft Position (CMP) Sensor G163
GWWA24-10122Courtesy of AUDI OF AMERICA, LLC
Fig 7: Identifying Mass Air Flow (MAF) Sensor G70 Electrical Harness Connector
GWWA24-10123Courtesy of AUDI OF AMERICA, LLC
Fig 8: Mass Air Flow Sensor -G70- -1- Engine Code CDMA
GWWA24-10619Courtesy of AUDI OF AMERICA, LLC
Fig 9: Fuel Pump (FP) Control Module J538
GWWA24-0783Courtesy of AUDI OF AMERICA, LLC
Fig 10: Clutch Position Sensor G476
GWWA24-0746Courtesy of AUDI OF AMERICA, LLC

Remove and install. .

Fig 11: Brake Light Switch F And Brake Pedal Switch F63
GWWA47-10031Courtesy of AUDI OF AMERICA, LLC

Removing and installing. Refer to Removal and Installation .

Fig 12: Electrical Harness Connectors
GWWA24-10125Courtesy of AUDI OF AMERICA, LLC

1 - 3-pin harness connector (green) for Knock Sensor (KS) 1 -G61-

2 - 3-pin harness connector (brown) for Knock Sensor (KS) 2 -G66-

3 - Oil pressure switch -F1-

4 - Engine speed (RPM) sensor -G28-

5 - 3-pin connector (gray) for Engine Speed (RPM) Sensor -G28-

Fig 13: Component Locations Beneath Intake Manifold
GWWA24-10126Courtesy of AUDI OF AMERICA, LLC

1 - Knock Sensor (KS) I -G61-

2 - Knock Sensor (KS) II -G66-

3 - Oil pressure switch -F1-

4 - 3-pin harness connector (brown) for Knock Sensor (KS) 2 -G66-

5 - 3-pin connector (gray) for Engine Speed (RPM) Sensor -G28-

6 - Electrical connector for Camshaft Position (CMP) Sensor -G40- and Fuel Pressure Sensor -G247-

7 - 8-pin harness connector for fuel injectors

Fig 14: Charge Air Pressure Sensor -G31- -2-
GWWA21-10175Courtesy of AUDI OF AMERICA, LLC
Fig 15: Coolant Fan Control (FC) Control Module J293
GWWA19-0473Courtesy of AUDI OF AMERICA, LLC

1 - Coolant Fan Control Module -J293-, connector

NOTE:

The Coolant Fan Control Module -J293- is integrated in the Coolant Fan -V7-.

Fig 16: After-Run Coolant Pump -V51-
GWWA10-10670Courtesy of AUDI OF AMERICA, LLC
Fig 17: Harness Connector For Heated Oxygen Sensor (HO2S) G39 And Oxygen Sensor (O2S) Heater Z19
GWWA24-10127Courtesy of AUDI OF AMERICA, LLC

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

Fig 18: Oxygen Sensor
GWWA26-10462Courtesy of AUDI OF AMERICA, LLC
Fig 19: Electrical Connector -arrow-
GWWA26-10459Courtesy of AUDI OF AMERICA, LLC

-- Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) -Z29- on right of vehicle floor

Fig 20: Oxygen Sensor Behind Catalytic Converter -arrow-
GWWA24-10303Courtesy of AUDI OF AMERICA, LLC

-- Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) -Z29-

Fig 21: Components On Turbocharger
GWWA24-10097Courtesy of AUDI OF AMERICA, LLC

1 - Turbocharger, removing and installing, refer to Removal and Installation

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

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

Fig 22: Identifying Installation Position Of Turbocharger Recirculating Valve N249
GWWA21-10057Courtesy of AUDI OF AMERICA, LLC
Fig 23: Turbocharger Components, Engine Code CDMA
GWWA24-10623Courtesy of AUDI OF AMERICA, LLC

1 - Turbocharger, removing and installing, refer to Removal and Installation

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

Fig 24: Turbocharger Recirculating Valve -N249- -2- Engine Code CDMA
GWWA24-10624Courtesy of AUDI OF AMERICA, LLC

1 - Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-

2 - Turbocharger Recirculating Valve -N249-

Fig 25: Installation Position Of Turbocharger Recirculating Valve N249
GWWA15-10393Courtesy of AUDI OF AMERICA, LLC

Markings -arrows- must align.

Fig 26: Exhaust Flap Valve 1 -N321-
GWWA24-10622Courtesy of AUDI OF AMERICA, LLC

1 - Exhaust flap valve 1 -N321- connector

Check vacuum diaphragm for the exhaust flap. Refer to Diagnosis and Testing .

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