FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Component Location Overview






Component Location Overview

Engine Compartment, Right






1 Secondary Air Injection (AIR) Pump Motor (V101)

2 Charge Air Pressure Sensor (G31) / Intake Air Temperature (IAT) Sensor (G72)

3 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)

Removing and installing, refer to => [ Ignition Coils with Power Output Stages ] Service and Repair

4 Electrical Connectors

For heated oxygen sensors

5 Heated Oxygen Sensor (HO2S) (G39)

With Oxygen Sensor (O2S) heater (Z19)

Removing and installing, refer to => [ Heated Oxygen Sensors (G39)/(G108)/(G130)/(G131) ] Heated Oxygen Sensors (G39)/(G108)/(G130)/(G131)

6 Engine Control Module (ECM) (J623)

Removing and installing, refer to => [ Engine Control Module (ECM) (J623) ] Engine Control Module (ECM) (J623)

7 Camshaft Adjustment Valve 1 (N205)

8 Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130)

With heater for oxygen sensor (O2S) 1 after catalytic converter (Z29)

Removing and installing, refer to => [ Heated Oxygen Sensors (G39)/(G108)/(G130)/(G131) ] Heated Oxygen Sensors (G39)/(G108)/(G130)/(G131)

9 Secondary Air Injection (AIR) Sensor 1 (G609)

10 Throttle Valve Control Module (J338)

Removing and installing, refer to => [ Throttle Valve Control Module (J338) ] Throttle Valve Control Module (J338)

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

12 Engine Speed (RPM) Sensor (G28)

Removing and installing, refer to => [ Engine Speed (RPM) Sensor (G28) ] Service and Repair

13 Knock Sensor (KS) 1 (G61)

Removing and installing, refer to => [ Knock Sensors (KS) 1 (G61)/Knock Sensors (KS) 2 (G66) ] Service and Repair

14 Fuel Injectors, Cylinder Bank 1

Cylinder 1 Fuel Injector (N30)

Cylinder 2 Fuel Injector (N31)

Cylinder 3 Fuel Injector (N32)

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

15 Intake Manifold Runner Position Sensor (G336)

16 Camshaft Position (CMP) Sensor (G40)

Removing and installing, refer to => [ Camshaft Position (CMP) Sensor (G40)/Camshaft Position (CMP) Sensor 2 (G163) ] Service and Repair

17 Low Fuel Pressure Sensor (G410)

18 Fuel Metering Valve (N290)

19 Charge Air Coolant Pump (V188)

Engine Compartment, Left






1 Fuel Pressure Sensor (G247)

Oil the threads

22 Nm

2 Knock Sensor (KS) 2 (G66)

Removing and installing, refer to => [ Knock Sensors (KS) 1 (G61)/Knock Sensors (KS) 2 (G66) ] Service and Repair

3 Fuel Injectors, Cylinder Bank 2

Cylinder 4 fuel injector (N33)

Cylinder 5 fuel injector (N83)

Cylinder 6 fuel injector (N84)

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

4 Intake Air Temperature (IAT) Sensor (G42) / Manifold Absolute Pressure (MAP) Sensor (G71)

Removing and installing, refer to => [ Intake Air Temperature (IAT) Sensor (G42)/Manifold Absolute Pressure (MAP) Sensor (G71) ] Service and Repair

5 Secondary Air Injection (AIR) Solenoid Valve (N112)

6 Intake Manifold Runner Control (IMRC) Valve (N316)

7 Secondary Air Injection (AIR) Solenoid Valve 2 (N320)

8 Control Valve Control Module (J808)

Removing and installing, refer to => [ Control Valve Control Unit (J808) ] Control Valve Control Unit (J808)

9 Oxygen Sensor (O2S) 2 after Catalytic Converter (G131)

With heater for oxygen sensor (O2S) 2 after catalytic converter (Z30)

Removing and installing, refer to => [ Heated Oxygen Sensors (G39)/(G108)/(G130)/(G131) ] Heated Oxygen Sensors (G39)/(G108)/(G130)/(G131)

10 Engine Malfunction Lamp

Inside the instrument cluster

11 Accelerator Pedal Position Sensor (G79) / Accelerator Pedal Position Sensor 2 (G185)

12 Brake Lamp Switch (F) / Brake Pedal Switch (F47)

13 E-Box Plenum Chambers

14 Camshaft Adjustment Valve 2 (N208)

15 Heated Oxygen Sensor (HO2S) 2 (G108)

With Oxygen Sensor (O2S) 2 heater (Z28)

Removing and installing, refer to => [ Heated Oxygen Sensors (G39)/(G108)/(G130)/(G131) ] Heated Oxygen Sensors (G39)/(G108)/(G130)/(G131)

16 Ignition Coils, Cylinder Bank 2

Ignition coil 4 with power output stage (N292)

Ignition coil 5 with power output stage (N323)

Ignition coil 6 with power output stage (N324)

Removing and installing, refer to => [ Ignition Coils with Power Output Stages ] Service and Repair

17 Oil Pressure Regulation Valve (N428)

18 After-Run Coolant Pump (V51)

Depending on the vehicle equipment level or the country

19 Intake Air Temperature (IAT) Temperature Sensor 2 (G430) / Charge Air Pressure Sensor 2 (G447)

20 Camshaft Position (CMP) Sensor 2 (G163)

Removing and installing, refer to => [ Camshaft Position (CMP) Sensor (G40)/Camshaft Position (CMP) Sensor 2 (G163) ] Service and Repair

21 Intake Manifold Runner Position Sensor 2 (G512)

22 Engine Coolant Temperature (ECT) Sensor (G62)

Location Engine Control Module (ECM) (J623)





- 1 - inside the plenum chamber on the right side.

Location Accelerator Pedal Position Sensor (G79) / Accelerator Pedal Position Sensor 2 (G185)





In accelerator pedal module - arrow -.

The accelerator pedal position sensor and accelerator pedal position sensor 2 are part of the accelerator pedal module and cannot be replaced separately.

Location Brake Lamp Switch (F) / Brake Pedal Switch (F47)





On pedal mount - arrow -.

To ensure that they are absolutely securely seated, the switches may only be installed once.

Electrical Connectors on Right Rear of Engine





2 To Knock Sensor (KS) 1 (G61)
3 To the fuel injectors, cylinder bank 1

Electrical Connectors on Left Rear of Engine





1. To cylinder bank 2 fuel injectors and to Fuel Pressure (FP) sensor (G247)

2. To Knock Sensor (KS) 2 (G66)


Heated Oxygen Sensor Connectors Inside the Engine Compartment on the Right Side





1. For the Heated Oxygen Sensor (HO2S) (G39) with Oxygen Sensor (O2S) heater (Z19)

2. For Oxygen Sensor (O2S) after three way catalytic converter (G130) with heater for Oxygen Sensor (O2S) 1 after catalytic converter (Z29)

3. For the heated Oxygen Sensor (O2S) 2 (G108) with Oxygen Sensor (O2S) 2 heater (Z28)

4. For Oxygen Sensor (O2S) after catalytic converter (G131) with heater for Oxygen Sensor (O2S) 2 after catalytic converter (Z30)


Oxygen Sensors Location, Cylinder Bank 1 (right)





1. Oxygen sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) with heater for Oxygen Sensor (O2S) 1 after catalytic converter (Z29)

2. Heated Oxygen Sensor (HO2S) (G39) with Oxygen Sensor (O2S) heater (Z19)


Oxygen Sensors Location, Cylinder Bank 2 (left)





1. Heated Oxygen Sensor (HO2S) 2 (G108) with Oxygen Sensor (O2S) 2 heater (Z28)

2. Oxygen Sensor (O2S) 2 after catalytic converter (G131) with heater for Oxygen Sensor (O2S) 2 after catalytic converter (Z30)


Fuel Metering Valve (N290) location





- 2 - on the right side of the cylinder head.

Component Location under the Intake Manifold Lower Section, Cylinder Bank 1 (right)





1. Cylinder 1 fuel injector (N30)

2. Cylinder 2 fuel injector (N31)

3. Cylinder 3 fuel injector (N32)

4. Knock Sensor (KS) 1 (G61)


Component Location under the intake Manifold Lower Section, Cylinder Bank 2 (left)





1. Cylinder 6 fuel injector (N84)

2. Cylinder 5 fuel injector (N83)

3. Cylinder 4 fuel injector (N33)

4. Fuel pressure sensor (G247)

5. Knock Sensor (KS) 2 (G66)


Location Throttle Valve Control Module (J338)





Behind, on the compressor

Installation Location Control Valve Control Unit (J808)





- 3 - on the back of the supercharger.

Installed Location Intake Manifold Runner Position Sensor (G336)





At the front on the lower right section of the intake manifold.

Intake manifold runner position sensor 2 (G512) is installed as a mirror image.

Installation Location Intake Air Temperature (IAT) Sensor (G42) / Manifold Absolute Pressure (MAP) Sensor (G71)





Behind, on the compressor with the charge air cooler.

1. Connector for IAT sensor/MAP sensor


Installation Location Charge Air Pressure Sensor (G31) / Intake Manifold Temperature Sensor (G72)





On the right side, on the compressor with the charge air cooler.

1. Connector for charge air pressure sensor/intake manifold temperature sensor


The IAT temperature sensor 2 / charge air pressure sensor 2 are arranged as mirror image of each other.

Camshaft Position Sensor and Exhaust Camshaft Control Valve Cylinder Bank 1 (right)





1. Camshaft adjustment valve 1 (N205)

2. Camshaft Position (CMP) sensor (G40)


CMP Sensor and Exhaust Camshaft Control Valve Cylinder Bank 2 (left)





1. CMP sensor 2 (G163)

2. Camshaft adjustment valve 2 (N208)


Installation Location Oil Pressure Regulation Valve (N428)





- 4 - on the left side on the bottom of the engine.

Engine Coolant Temperature (ECT) Sensor (G62) location





At front on engine.

1. Connector for ECT Sensor


Location Charge Air Cooling Pump (V188)





Underneath the right front longitudinal member

Location After-Run Coolant Pump (V51)





Left side, at the front, on the engine

Location Engine Speed (RPM) Sensor (G28)





At the bottom of the timing chain guard lower section

3 Engine Speed (RPM) sensor (G28) connector

Installed Location: Secondary Air Injection Solenoid Valve and Intake Manifold Runner Control (IMRC) Valve (N316)





Behind, on the compressor with the charge air cooler.

1. AIR solenoid valve (N112)

2. Intake manifold runner control valve (N316)

3. AIR solenoid valve 2 (N320)


Component Location of AIR Pump Motor (V101)





Underneath the right front longitudinal member

Installed Location: AIR Sensor 1 (G609)





On the back of the engine.