Operation CHARM: Car repair manuals for everyone.

Component Location Overview






Component Location Overview

Right side of the engine compartment





1 - Mass Air Flow (MAF) Sensor (G70)/Intake Air Temperature (IAT) Sensor (G42)

Removing and installing, refer to => [ Mass Air Flow Sensor ] Service and Repair.

2 - Camshaft Adjustment Valve 1 (exhaust) (N318)

2.4 Nm

3 - Electrical connectors for

Heated Oxygen Sensor (HO2S) (G39) before catalytic converter with Oxygen Sensor (O2S) Heater (Z19)

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, refer to => [ Installation Location, Right Cylinder Bank 1
Oxygen Sensors ]

4 - Camshaft Adjustment Valve 1 (N205)

Component location, refer to => [ Component Location View from Inside from Right
Cylinder Head ]

2.4 Nm

5 - Throttle Valve Control Module (J338) connector

6 - Throttle valve control module (J338)

After replacing the Throttle Valve Control Module (J338), select "adapt throttle valve control module" in "Guided Functions".

7 - Knock Sensor (KS) 2 (G66)

Component location, refer to => [ Component Location View from Inside from Right
Cylinder Head ]

Electrical harness connector, refer to => [ Component Location Front on Engine ]

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

20 Nm

8 - Fuel Pressure Sensor (G247)

Component location, refer to => [ Component Location View from Inside from Right
Cylinder Head ]

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

25 Nm

Coat the thread with clean oil

9 - Knock Sensor (KS) 1 (G61)

Component location, refer to => [ Component Location View from Inside from Right
Cylinder Head ]

Electrical harness connector, refer to => [ Component Location Front on Engine ]

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

20 Nm

10 - Components on front of engine

Locations, refer to => [ Component Location Front on Engine ]

Intake Flap Motor (V157)

Beginning with MY 2009, the Variable Intake Manifold Runner Motor (V157) has become the Intake Manifold Tuning Valve (N316)

Intake Manifold Runner Position Sensor (G336)

Variable Intake Manifold Runner Motor (V183)

Beginning with MY 2009, the Variable Intake Manifold Runner Motor (V183) has become the Intake Manifold Tuning Valve (N156)

Intake Manifold Runner Position Sensor 2 (G512)

Electrical connector from Knock Sensor (KS) 4 (G199)

Electrical connector from Knock Sensor (KS) 3 (G198)

Electrical connector from Knock Sensor (KS) 1 (G61)

Electrical connector from Knock Sensor (KS) 2 (G66)

11 - Camshaft Position (CMP) sensor (G40)

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

10 Nm

12 - Fuel Metering Valve (N290)

13 - High pressure pump

With Fuel Metering Valve (N290)

Removing and installing, refer to => [ High Pressure Pump ] High Pressure Pump

14 - Ignition coils, Cylinder bank 1

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)

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

15 - Camshaft Position (CMP) Sensor 3 (G300)

Attached to outside of cylinder head

Component location, refer to => [ Location on Right Cylinder Bank 1 ]

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

10 Nm

16 - Secondary Air Injection (AIR) Pump Motor (V101)

17 - Intake Air Switch-Over Valve (N335)

Left side of the engine compartment

Components A through J are not shown in the exploded view.






1 - Fuel Metering Valve 2 (N402)

Common component with high pressure pump

2 - Low Fuel Pressure Sensor (G410)

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

Evaporative Emission (EVAP) Canister Purge Solenoid Valve 2 (N115)

4 - Camshaft Adjustment Valve 2 (N208)

Component location, refer to => [ Component location view from inside from left
cylinder head ]

2.4 Nm

5 - High pressure pump

With Fuel Metering Valve 2 (N402)

Component location, refer to => [ Location of High Pressure Pumps ]

6 - Electrical connectors for

Heated Oxygen Sensor (HO2S) 2 (G108) before catalytic converter with Oxygen Sensor (O2S) 2 Heater (Z28)

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, refer to => [ Installation Location, Left Cylinder Bank 2
Oxygen Sensors ]

7 - Camshaft Adjustment Valve 2 (exhaust) (N319)

Component location, refer to => [ Location on Left Cylinder Bank 2 ]

2.4 Nm

8 - Engine Control Module (J623)

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

9 - Camshaft position (CMP) sensor 4 (G301)

Component location, refer to => [ Location on Left Cylinder Bank 2 ]

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

10 Nm

10 - Ignition coils, Cylinder bank 2

Ignition Coil 5 with Power Output Stage (N323)

Ignition Coil 6 with Power Output Stage (N324)

Ignition Coil 7 with Power Output Stage (N325)

Ignition Coil 8 with Power Output Stage (N326)

Component location, refer to => [ Location on Left Cylinder Bank 2 ]

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

11 - Electrical harness connectors

Knock Sensor (KS) 3 (G198)

Knock Sensor (KS) 4 (G199)

12 - Camshaft position (CMP) sensor 2 (G163)

Component location, refer to => [ Component location view from inside from left
cylinder head ]

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

10 Nm

13 - Knock Sensor (KS) 3 (G198)

Component location, refer to => [ Component location view from inside from left
cylinder head ]

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

20 Nm

14 - Knock Sensor (KS) 4 (G199)

Component location, refer to => [ Component location view from inside from left
cylinder head ]

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

20 Nm

15 - Components on front of engine

Electrical harness connector, refer to => [ Component Location Front on Engine ]

Intake Flap Motor (V157)

Beginning with MY 2009, the Variable Intake Manifold Runner Motor (V157) has become the Intake Manifold Tuning Valve (N316)

Intake Manifold Runner Position Sensor (G336)

Variable Intake Manifold Runner Motor (V183)

Beginning with MY 2009, the Variable Intake Manifold Runner Motor (V183) has become the Intake Manifold Tuning Valve (N156)

Intake Manifold Runner Position Sensor 2 (G512)

Electrical connector from Knock Sensor (KS) 4 (G199)

Electrical connector from Knock Sensor (KS) 3 (G198)

Electrical connector from Knock Sensor (KS) 1 (G61)

Electrical connector from Knock Sensor (KS) 2 (G66)

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

B - Engine Speed (RPM) Sensor (G28)

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

C - Throttle Position (TP) Sensor (G79)/Accelerator Pedal Position Sensor 2 (G185)

in footwell on accelerator pedal (both sensors are integrated into one housing)

D - Brake Light Switch (F)/Brake Pedal Switch (F47)

In footwell at brake pedal

E - Clutch Position Sensor (G476)

The following components are integrated in the Clutch Position Sensor (G476): Clutch Pedal Starter Interlock Switch (F194) and Clutch Vacuum Vent Valve Switch (F36)

Only for vehicles with manual transmission

In footwell on clutch pedal

F - Fuel Pump (FP) Control Module (J538)

G - Heated Oxygen Sensor (HO2S) (G39) before catalytic converter with Oxygen Sensor (O2S) Heater (Z19)

Removing and installing, refer to => [ Heated Oxygen Sensor in Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1 ] Heated Oxygen Sensor In Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1

Tightening Specifications, refer to => [ Oxygen Sensors Assembly Overview ] Oxygen Sensors Assembly Overview

H - Heated Oxygen Sensor (HO2S) 2 (G108) before catalytic converter with Oxygen Sensor (O2S) 2 Heater (Z28)

Removing and installing, refer to => [ Heated Oxygen Sensor in Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1 ] Heated Oxygen Sensor In Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1

Tightening Specifications, refer to => [ Oxygen Sensors Assembly Overview ] Oxygen Sensors Assembly Overview

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

Location of electrical connector, refer to => [ Installation Location, Right Cylinder Bank 1
Oxygen Sensors ]

Component location of oxygen sensors, refer to => [ Installation Location, Right Cylinder Bank 1
Oxygen Sensors ]

Removing and installing, refer to => [ Heated Oxygen Sensor in Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1 ] Heated Oxygen Sensor In Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1

Tightening Specifications, refer to => [ Oxygen Sensors Assembly Overview ] Oxygen Sensors Assembly Overview

J - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) with Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater (Z30)

Location of electrical connector, refer to => [ Installation Location, Left Cylinder Bank 2
Oxygen Sensors ]

Component location of oxygen sensors, refer to => [ Installation Location, Right Cylinder Bank 1
Oxygen Sensors ]

Removing and installing, refer to => [ Heated Oxygen Sensor in Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1 ] Heated Oxygen Sensor In Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1

Tightening Specifications, refer to => [ Oxygen Sensors Assembly Overview ] Oxygen Sensors Assembly Overview

Location Engine Control Module (ECM) (J623)





In the left E-box in the engine compartment.

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

Fuel Pump (FP) Control Module (J538) - 1 -





Relay and Fuse Carrier in left E-Box Plenum Chamber





A Engine Component Power Supply Relay (J757)
B Starter Relay (J53) (black/purple socket color)
B Starter Relay 2 (J695) (black/blue socket color)
C Secondary Air Injection (AIR) Pump Relay (J299)
D Motronic Engine Control Module (ECM) Power Supply Relay (J271)
E Coolant circulation pump relay (J151) (brown/blue socket color)
E Brake Booster Relay (J569) (brown/purple socket color)

Throttle Position (TP) Sensor (G79) and Accelerator Pedal Position Sensor 2 (G185)





Installation Location, Right Cylinder Bank 1 Oxygen Sensors





1. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130)

2. Oxygen sensor (O2S) behind three way catalytic converter (TWC) (G130) connector

3. Oxygen sensor (G39) connector

4. Oxygen sensor (G39)

Removing and installing, refer to => [ Heated Oxygen Sensor in Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1 ] Heated Oxygen Sensor In Front of Catalytic Converter and Oxygen Sensor Behind Three Way Catalytic Converter, Cylinder Bank 1.

Tightening Specifications, refer to => [ Oxygen Sensors Assembly Overview ] Oxygen Sensors Assembly Overview.

Installation Location, Left Cylinder Bank 2 Oxygen Sensors





1. Heated Oxygen Sensor (HO2S) 2 (G108)

2. Oxygen Sensor 2 (G108) connector

3. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) connector

4. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131)

Removing and installing, refer to => [ Heated Oxygen Sensor 2 in Front of Catalytic Converter and Oxygen Sensor 2 Behind Three Way Catalytic Converter, Cylinder Bank 2 ] Heated Oxygen Sensor 2 In Front of Catalytic Converter and Oxygen Sensor 2 Behind Three Way Catalytic Converter, Cylinder Bank.

Tightening Specifications, refer to => [ Oxygen Sensors Assembly Overview ] Oxygen Sensors Assembly Overview.

Location Engine Speed (RPM) Sensor (G28) - arrow -





The Engine Speed Sensor (G28) is located in the transmission at the bottom.

Location Engine Coolant Temperature (ECT) Sensor (G62) - arrow -





Intake Air Switch-Over Valve (N335) - 2 -





Location on Right Cylinder Bank 1





1. Camshaft Position (CMP) Sensor 3 (G300)

2. Camshaft Adjustment Valve 1 (exhaust) (N318)

3. Ignition Coil 4 with Power Output Stage (N292)

4. Ignition Coil 3 with Power Output Stage (N291)

5. Ignition Coil 2 with Power Output Stage (N127)

6. Ignition Coil 1 with Power Output Stage (N70)

Location on Left Cylinder Bank 2





1. Ignition Coil 5 with Power Output Stage (N323)

2. Ignition Coil 6 with Power Output Stage (N324)

3. Ignition Coil 7 with Power Output Stage (N325)

4. Ignition Coil 8 with Power Output Stage (N326)

5. Camshaft Adjustment Valve 2 (exhaust) (N319)

6. Camshaft position (CMP) sensor 4 (G301)

Component Location View from Inside from Right Cylinder Head





1. Fuel Pressure Sensor (G247)

2. Knock Sensor (KS) 1 (G61)

3. Camshaft Position (CMP) Sensor (G40)

4. Cylinder 1 Fuel Injector (N30)

5. Cylinder 2 Fuel Injector (N31)

6. Cylinder 3 Fuel Injector (N32)

7. Cylinder 4 Fuel Injector (N33)

8. Camshaft Adjustment Valve 1 (N205)

9. Knock Sensor (KS) 2 (G66)

Installation locations, on the inside on the right cylinder head (beginning with MY 2009), see next illustration.

Installation Locations, on the Inside, on the Right Cylinder Head (beginning with MY 2009)





1. Intake Manifold Runner Position Sensor (G336)

2. Camshaft Position (CMP) sensor (G40)

3. Fuel Metering Valve (N290)

4. Camshaft Adjustment Valve 1 (N205)

5. Low Fuel Pressure Sensor (G410)

6. Cylinder 1 Fuel Injector (N30)

7. Cylinder 2 Fuel Injector (N31)

8. Cylinder 3 Fuel Injector (N32)

9. Cylinder 4 Fuel Injector (N33)

10. Fuel Pressure Sensor (G247)

11. Intake Manifold Runner Control (IMRC) Valve (N316)

12. Knock Sensor (KS) 1 (G61)

13. Knock Sensor (KS) 2 (G66)

Component location view from inside from left cylinder head





1. Knock Sensor (KS) 4 (G199)

2. Camshaft Adjustment Valve 2 (N208)

3. Camshaft position (CMP) sensor 2 (G163)

4. Cylinder 8 Fuel Injector (N86)

5. Cylinder 7 Fuel Injector (N85)

6. Cylinder 6 Fuel Injector (N84)

7. Cylinder 5 Fuel Injector (N83)

8. Knock Sensor (KS) 3 (G198)

Installation locations, on the inside on the left cylinder head (beginning with MY 2009), see next illustration.

Installation locations, on the inside, on the left cylinder head (beginning with MY 2009)





1. Camshaft Adjustment Valve 2 (N208)

2. Fuel metering valve 2 (N402) (inside the high pressure pump)

3. Camshaft position (CMP) sensor 2 (G163)

4. Intake Manifold Runner Position Sensor 2 (G512)

5. Cylinder 5 Fuel Injector (N83)

6. Cylinder 6 Fuel Injector (N84)

7. Cylinder 7 Fuel Injector (N85)

8. Cylinder 8 Fuel Injector (N86)

9. Low Fuel Pressure Sensor (G410)

10. Knock Sensor (KS) 4 (G199)

11. Knock Sensor (KS) 3 (G198)

Component Location Front on Engine





1 Right high pressure pump (cylinder bank 1)
2 Variable Intake Manifold Runner Motor (V183)
3 Intake Flap Motor (V157)
4 Left high pressure pump (cylinder bank 2)
5 Intake Manifold Runner Position Sensor 2 (G512)
6 Electrical connector from Knock Sensor (KS) 4 (G199)
7 Electrical connector from Knock Sensor (KS) 3 (G198)
8 Oil pressure switch (F1)
9 Electrical connector from Knock Sensor (KS) 2 (G66)
10 Electrical connector from Knock Sensor (KS) 1 (G61)
11 Intake Manifold Runner Position Sensor (G336)

Beginning in MY 2009, items - 2 and 3 - have been replaced by vacuum-controlled valves.

The Variable Intake Manifold Runner Motor (V183) has become the Intake Manifold Tuning Valve (N156).

The Intake Flap Motor (V157) has become the Intake Manifold Runner Control Valve (N316).

Installation Location: at the Front on the Engine (running Change in MY 2009)





1 Knock Sensor (KS) 2 (G66) (brown connector)
2 Knock Sensor (KS) 1 (G61) (black connector)
3 Fuel Metering Valve (N290)
4 Intake Manifold Runner Position Sensor (G336)
5 Fuel Pressure Sensor (G247)
6 Intake manifold runner control valve (N316) (CVTS tumble flaps)
7 Intake Manifold Tuning (IMT) Valve (N156)
8 Intake Manifold Runner Position Sensor 2 (G512)
9 Fuel Metering Valve (N290)
10 Knock Sensor (KS) 4 (G199) (black connector)
11 Knock Sensor (KS) 3 (G198) (brown connector)

Location of High Pressure Pumps





1 Right high pressure pump (cylinder bank 1)
2 Low Fuel Pressure Sensor (G410)
3 Left high pressure pump (cylinder bank 2)
4 Fuel Metering Valve 2 (N402)
5 Fuel Metering Valve (N290)

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





Secondary Air Injection (AIR) Pump Motor (V101)