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Computers and Control Systems: Locations






Component Location Overview

Part 1 - R8 Coupe





1 Mass Airflow Sensor 2 (G246)/ Intake Air Temperature Sensor 2 (G299)

• Removing and installing, refer to => [ Mass Air Flow Sensors ] Service and Repair

2 Oxygen Sensor 2 after Catalytic Converter (G131) with Heater for Oxygen Sensor 2 after Catalytic Converter (Z30)

• Component location

• Connector location

• Removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

3 Engine Speed Sensor (G28)

• Component location

• Removing and installing, refer to => [ Engine Speed Sensor ] Service and Repair

• 9 Nm

4 Heated Oxygen Sensor 2 (G108) before catalytic converter with Oxygen Sensor 2 Heater (Z28)

• Component location

• Connector location

• Removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

5 Throttle Valve Control Module 2 (J544)

• 9 Nm

• After replacing, perform an adaptation in guided functions

6 Engine Control Module 2 (J624)

• Component location

• Removing and installing, refer to => [ Engine Control Module 2 ] Engine Control Module 2

7 Secondary Air Injection Pump Motor 2 (V189)


• Secondary air injection pump relay 2 (J545)

8 Engine Control Module (J623)

• Component location

• Removing and installing, refer to => [ Engine Control Module ] Engine Control Module

9 Throttle Valve Control Module (J338)

• 9 Nm

• After replacing, perform an adaptation in guided functions

10 Heated Oxygen Sensor (G39) before Catalytic Converter with Oxygen Sensor Heater (Z19)

• Component location

• Connector location

• Removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

11 Oxygen Sensor after Three Way Catalytic Converter (G130) with Heater for Oxygen Sensor 2 after Catalytic Converter (Z29)

• Component location

• Connector location

• Removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

12 Exhaust Flap Valve 1 (N321)

13 Secondary Air Injection Pump Motor (V101)

• Secondary air injection pump relay (J299)

14 Mass Airflow Sensor (G70)/ Intake Air Temperature Sensor (G42)

• Removing and installing, refer to => [ Mass Air Flow Sensors ] Service and Repair

Part 1 - R8 Spyder





1 Secondary Air Injection Pump Motor 2 (V189)

• Secondary air injection pump relay 2 (J545)

2 Engine Control Module 2 (J624)

• Component location

• Removing and installing, refer to => [ Engine Control Module 2 ] Engine Control Module 2

3 Oxygen Sensor 2 after Catalytic Converter (G131) with Heater for Oxygen Sensor 2 after Catalytic Converter (Z30)

• Component location

• Connector location

• Removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

4 Engine Speed Sensor (G28)

• Component location

• Removing and installing, refer to => [ Engine Speed Sensor ] Service and Repair

• 9 Nm

5 Heated Oxygen Sensor 2 (G108) before catalytic converter with Oxygen Sensor 2 Heater (Z28)

• Component location

• Connector location

• Removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

6 Throttle Valve Control Module 2 (J544)

• After replacing, perform an adaptation in guided functions

• 9 Nm

7 Throttle Valve Control Module (J338)

• After replacing, perform an adaptation in guided functions

• 9 Nm

8 Heated Oxygen Sensor (G39) before Catalytic Converter with Oxygen Sensor Heater (Z19)

• Component location

• Connector location

• Removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

9 Oxygen Sensor After Three Way Catalytic Converter (G130) with Heater For Oxygen Sensor 1 After Catalytic Converter (Z29)

• Component location

• Connector location

• Removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

10 Engine Control Module (J623)

• Component location

• Removing and installing, refer to => [ Engine Control Module ] Engine Control Module

11 Exhaust Flap Valve 1 (N321)

12 Secondary Air Injection Pump Motor (V101)

• Secondary air injection pump relay (J299)

13 Mass Airflow Sensor (G70)/ Intake Air Temperature Sensor (G42)

• Removing and installing, refer to => [ Mass Air Flow Sensors ] Service and Repair

14 Mass Airflow Sensor 2 (G246)/ Intake Air Temperature Sensor 2 (G299)

• Removing and installing, refer to => [ Mass Air Flow Sensors ] Service and Repair

Part 2





1 Exhaust Camshaft Adjustment Valve 2 (N319)

2 EVAP System Purge Regulator Valve 2 (N333)

3 Left Electrohydraulic Engine Mount Solenoid Valve (N144)

• Component location

4 Fuel Metering Valve 2 (N402)

5 Camshaft Position Sensor 4 (G301)

• Removing and installing, refer to => [ Camshaft Position Sensors ] Service and Repair

• 10 Nm

6 Camshaft Position Sensor 2 (G163)

• Removing and installing, refer to => [ Camshaft Position Sensors ] Service and Repair

• 10 Nm

7 Intake Manifold Runner Position Sensor 2 (G512)

• After replacing, perform an adaptation in guided fault finding under adapting position sensor for channel separating plates

8 Engine Coolant Temperature Sensor (G62)

9 Intake Manifold Runner Position Sensor (G336)

• After replacing, perform an adaptation in guided fault finding under adapting position sensor for channel separating plates

10 Camshaft Position Sensor (G40)

• Removing and installing, refer to => [ Camshaft Position Sensors ] Service and Repair

• 10 Nm

11 Camshaft Position Sensor 3 (G300)

• Removing and installing, refer to => [ Camshaft Position Sensors ] Service and Repair

• 10 Nm

12 Fuel Metering Valve (N290)

13 Right Electrohydraulic Engine Mount Solenoid Valve (N145)

• Component location

14 EVAP Canister Purge Regulator Valve 1 (N80)

15 Exhaust Camshaft Adjustment Valve 1 (N318)

16 Camshaft Adjustment Valve 1 (N205)

17 Secondary Air Injection Sensor 1 (G609)

18 Intake Manifold Runner Control Valve (N316)

19 Secondary Air Injection Solenoid Valve (N112)

• Depending the version: with secondary air injection solenoid valve 2 (N320)

20 Secondary Air Injection Sensor 2 (G610)

21 Camshaft Adjustment Valve 2 (N208)

Part 3





1 Cylinder 10 Fuel Injector (N300)

• Removing and installing, refer to => [ Fuel Injectors ] Fuel Injectors

2 Ignition Coil 10 with Power Output Stage (N328)

• Removing and installing, refer to => [ Ignition Coils ] Service and Repair

3 Cylinder 9 Fuel Injector (N299)

4 Ignition Coil 9 with Power Output Stage (N327)

5 Cylinder 8 Fuel Injector (N86)

6 Ignition Coil 8 with Power Output Stage (N326)

7 Cylinder 7 Fuel Injector (N85)

8 Ignition Coil 7 with Power Output Stage (N325)

9 Cylinder 6 Fuel Injector (N84)

10 Ignition Coil 6 with Power Output Stage (N324)

11 Knock Sensor 3 (G198)

• Component location

• Removing and installing, refer to => [ Knock Sensors ] Service and Repair

12 Oil Temperature Sensor 2 (G664)

13 Knock Sensor 1 (G61)

• Component location

• Removing and installing, refer to => [ Knock Sensors ] Service and Repair

14 Ignition Coil 1 with Power Output Stage (N70)

15 Cylinder 1 Fuel Injector (N30)

16 Ignition Coil 2 with Power Output Stage (N127)

17 Cylinder 2 Fuel Injector (N31)

18 Ignition Coil 3 with Power Output Stage (N291)

19 Cylinder 3 Fuel Injector (N32)

20 Ignition Coil 4 with Power Output Stage (N292)

21 Cylinder 4 Fuel Injector (N33)

22 Ignition Coil 5 with Power Output Stage (N323)

23 Cylinder 5 Fuel Injector (N83)

24 Knock Sensor 2 (G66)

• Component location

• Removing and installing, refer to => [ Knock Sensors ] Service and Repair

25 Fuel Pressure Sensor (G247)

• Removing and installing, refer to => [ Fuel Pressure Sensors ] Service and Repair

26 Electrical Harness Connector

• Orange

• Component location

• For Knock Sensor 1 (G61)

27 Electrical Harness Connector

• Green

• Component location

• For Knock Sensor 2 (G66)

28 Electrical Harness Connector

• Gray

• Component location

• For Knock Sensor 4 (G199)

29 Electrical Harness Connector

• brown

• Component location

• For Knock Sensor 3 (G198)

30 Low Fuel Pressure Sensor (G410)

31 Fuel Pressure Sensor 2 (G624)

• Removing and installing, refer to => [ Fuel Pressure Sensors ] Service and Repair

32 Knock Sensor 4 (G199)

• Component location

• Removing and installing, refer to => [ Knock Sensors ] Service and Repair

Engine Control Module (J623) Component Location - R8 Coupe





1. Connector

2. Metal Retainer

3. Engine control module (J623)

• Under the right engine compartment trim panel

Removing and installing, refer to => [ Engine Control Module ] Engine Control Module.

Engine Control Module 2 (J624) Component Location - R8 Coupe





1. Connector

2. Metal Retainer

3. Engine control module 2 (J624)

• Under the left engine compartment trim panel

Removing and installing, refer to => [ Engine Control Module 2 ] Engine Control Module 2.

Engine Control Module (J623) Component Location - R8 Spyder





1. Connector

2. Metal Retainer

3. Engine control module (J623)

• In the right side of the engine compartment

Removing and installing, refer to => [ Engine Control Module ] Engine Control Module.

Engine Control Module 2 (J624) Component Location - R8 Spyder





1. Connector

2. Metal Retainer

3. Engine control module 2 (J624)

• Inside the engine compartment on the left side

Removing and installing, refer to => [ Engine Control Module 2 ] Engine Control Module 2.

Engine Speed Sensor (G28)





1. Bolt for the engine speed sensor (G28) bracket

2. Electrical harness connector

• On the left of the transmission housing

Removing and installing, refer to => [ Engine Speed Sensor ] Service and Repair.

Left/Right Electrohydraulic Engine Mount Solenoid Valve (N144)/ (N145)





1. Bolt for the left engine mount

2. Electrical harness connector

Installed Location Inside the 9-Pin Relay and Fuse Panel





1 Motronic engine control module power supply relay (J271)
2 Auxiliary engine coolant pump relay (J496)
3 Starter relay (J53)
4 Starter relay 2 (J695)
5 Secondary air injection pump relay (J299)
6 Engine component power supply relay (J757)
8 Secondary air injection pump relay 2 (J545)

Knock Sensors





1 Knock sensor 4 (G199)
2 Knock sensor 3 (G198)
3 Knock sensor 1 (G61)
4 Knock sensor 2 (G66)
5 Knock sensor 1 (G61) connector
6 Knock sensor 2 (G66) connector
7 Knock sensor 4 (G199) connector
8 Knock sensor 3 (G198) connector

Oxygen Sensors Location, Cylinder Bank 1 (right)





1. Oxygen sensor after three way catalytic converter (G130)

2. Heated oxygen sensor (G39) (before catalytic converter)

For removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

Right Cylinder Bank 1 Oxygen Sensor Connectors





1. For oxygen sensor 2 after catalytic converter (G130)

2. For the heated oxygen sensor 4 (G39) before the catalytic converter

Oxygen Sensors Location, Cylinder Bank 2 (left)





1. Heated oxygen sensor 2 (G108) (in front of catalytic converter)

2. Oxygen sensor 2 after catalytic converter (G131)

for removing and installing, refer to => [ Oxygen Sensors ] Oxygen Sensors

Left Cylinder Bank 2 Oxygen Sensor Connectors





1. For oxygen sensor 2 after catalytic converter (G131)

2. For heated oxygen sensor 2 (G108) (in front of catalytic converter)