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Home >> Audi >> 2006 >> A3 Quattro (8PA) V6-3.2L (BUB) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Locations >> 2.0L CCTA and CBFA

2.0L CCTA and CBFA







Component Locations: Engine Management System

2.0L CCTA and CBFA


Components A - H are not shown in the overview





A - Mass Air Flow (MAF) Sensor -G70- and Intake Air Temperature (IAT) Sensor 2 -G299- (engine code CCTA only) => [ Mass Air Flow (MAF) Sensor ] See Image Below.

B - Fuel Pump (FP) Control Module -J538- => [ Fuel Pump and Sensors ] Fuel Pump and Sensors

C - Brake Light Switch -F- and Brake Pedal Switch -F63- => [ and ] See Image Below.

D - Clutch Position Sensor -G476-

E - Fuel Injector => [ Intake Manifold Assembly Overview ] See Image Below.
• Located in the fuel rail pipe

F - Knock Sensor 2 -G66- (engine code CBFA) => [ Knock Sensor (KS) 2 -G66 ] See Image Below.

G - Leak Detection Pump (LDP) -V144- => [ EVAP Canister System/Leak Detection System ] See Image Below.
• Located under the wheel housing liner in right rear wheel housing

H - Oil Level Thermal Sensor -G266- => [ Oil Pan and Oil Pump Assembly Overview ] See Image Below.

1 - Camshaft Adjustment Valve 1 -N205- => [ Camshaft Adjustment Valve 1 ] See Image Below.

2 - Wastegate Bypass Regulator Valve -N75- => [ Components on Turbocharger ] See Image Below.
• Installed directly on the turbocharger

3 - Turbocharger Recirculating Valve -N249- => [ Components on Turbocharger ] See Image Below.
• Installed directly on the turbocharger

4 - Ignition Coils with Power Output Stages => [ Ignition Coils with Power Output Stages ] See Image Below.

5 - -Engine Control Module-

6 - Mechanical Single-Piston High-Pressure Pump => [ Intake Manifold Assembly Overview ] See Image Below.
• With Fuel Pressure Regulator Valve -N276-

7 - Fuel Pressure Regulator Valve -N276- => [ Intake Manifold Assembly Overview ] See Image Below.

8 - Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83- => [ Cooling Fans and Cooling Pump ] Locations

9 - Vacuum diaphragm for the channel separating plate => [ Intake Manifold Assembly Overview ] See Image Below.

10 - Intake Manifold Runner Control (IMRC) Valve -N316- => [ Intake Manifold Assembly Overview ] See Image Below.

2.0L CCTA and CBFA continued





11 - Engine Speed (RPM) Sensor -G28- => [ Engine Speed (RPM) Sensor ] See Image Below.

12 - Charge Air Pressure Sensor -G31- => [ Charge Air Pressure Sensor ] See Image Below.

13 - Electrical Connector from Knock Sensor (KS) 1 -G61- => [ Electrical Harness Connectors ] See Image Below.

14 - Electrical Connector from Camshaft Position (CMP) Sensor 2 -G40- => [ Electrical Harness Connectors ] See Image Below.

15 - 8 Pin Harness Connector for Fuel Injectors => [ Electrical Harness Connectors ] See Image Below.

16 - Throttle Valve Control Module -J338- => [ Intake Manifold Assembly Overview ] See Image Below.
• 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-

17 - Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80- => [ Intake Manifold Assembly Overview ] See Image Below.

18 - Intake Air Temperature (IAT) Sensor -G42- => [ Intake Manifold Assembly Overview ] See Image Below.
• Bolted to the front of the intake manifold

19 - Knock Sensor 1 -G61- => [ Electrical Harness Connectors ] See Image Below.
• Located below the intake manifold behind the coolant pump

20 - Engine Coolant Temperature (ECT) Sensor -G62- => [ Engine Coolant Temperature (ECT) Sensor ] See Image Below.
• Located in the coolant pump housing

21 - Camshaft Position (CMP) Sensor -G40- => [ Camshaft Position (CMP) Sensor ] See Image Below.
• Located below cover with oil separator

22 - Fuel Pressure Sensor -G247- => [ Fuel Rail Assembly Overview ] See Image Below.
• Located on the fuel rail

23 - Intake Manifold Runner Position Sensor -G336- => [ Fuel Rail Assembly Overview ] See Image Below.
• Located in the intake manifold to the right

24 - Oil Pressure Switch -F1- /Oil Pressure Switch -F22- (Engine code CCTA) => [ Oil Filter and Oil Cooler Assembly Overview ] See Image Below.
Located in the accessory assembly bracket


Camshaft Adjustment Valve 1






Arrow - Camshaft Adjustment Valve 1 -N205-

Components on Turbocharger






1 - Turbocharger
2 - Wastegate Bypass Regulator Valve -N75-
3 - Turbocharger Recirculating Valve -N249-

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-

Intake Manifold Assembly Overview






2 - Intake Air Temperature (IAT) Sensor -G42-
3 - Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80-
4 - Intake manifold
5 - Channel separating plate vacuum diaphragm (intake manifold flaps)
8 - Fuel Pressure Regulator Valve -N276-
9 - Mechanical single-piston high-pressure pump
- With Fuel Pressure Regulator Valve -N276-
13 - Intake Manifold Runner Control (IMRC) Valve -N316-
14 - Fuel Injectors
• Cylinder 1 Fuel Injector -N30-

• Cylinder 2 Fuel Injector -N31-

• Cylinder 3 Fuel Injector -N32-

• Cylinder 4 Fuel Injector -N33-

19 - Throttle Valve Control Module -J338-
The Throttle Valve Control Module -J338- is
integrated with the following:
• Throttle Drive (for Electronic Power Control (EPC)) -G186-

• Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC) -G187-

• Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC) -G188-


Engine Speed (RPM) Sensor






1 - Engine Speed (RPM) Sensor -G28-

Charge Air Pressure Sensor






1 - Charge Air Pressure Sensor -G31-

Electrical Harness Connectors






1 - From camshaft position sensor -G40- and intake manifold runner position sensor -G336-
2 - From Knock Sensor (KS) 1 -G61-
3 - 8 pin harness connector for fuel injectors

Engine Coolant Temperature (ECT)
Sensor






1 - Engine Coolant Temperature (ECT) Sensor -G62-

Camshaft Position (CMP) Sensor






1 - Camshaft Position (CMP) Sensor -G40-

Fuel Rail Assembly Overview






3 - Fuel Rail
6 - Fuel Pressure Regulator Valve -N276-
16 - Intake Manifold Runner Position Sensor -G336-
17 - Fuel Pressure Sensor -G247-

Oil Filter and Oil Cooler Assembly
Overview






2 - Oil Pressure Switch -F1-

Mass Air Flow (MAF) Sensor






1 - Mass Air Flow (MAF) Sensor -G70- and Intake Air Temperature (IAT) Sensor 2 -G299- (engine code CCTA only)

Brake Light Switch -F- and Brake Pedal Switch -F63-






1 - Brake Light Switch -F- and Brake Pedal Switch -F63-

Clutch Position Sensor






Arrow - Clutch Position Sensor -G476-

Knock Sensor (KS) 2 -G66






2 - Knock Sensor 2 -G66-

EVAP Canister System/Leak Detection
System






4 - EVAP canister
14 - Leak Detection Pump (LDP) -V144-

Oil Pan and Oil Pump Assembly
Overview






1 - Oil Level Thermal Sensor -G266-
4 - Oil pan lower section
13 - Oil Pressure Regulation Valve -N428-
19 - Oil pan (upper section)
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