Component Locations Overview
Component Locations Overview
Engine Compartment, Right
1 Secondary Air Injection (AIR) Pump Motor (V101)
• Component location => [ Installed Location of ]
2 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
3 Right Electrohydraulic Engine Mount Solenoid Valve (N145)
• Component location => [ Installed Location or ]
4 Camshaft Position (CMP) Sensor 3 (G300)
• Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 1 (right) ]
5 Intake Air Switch-Over Valve (N335)
• Depending on country
• Component location => [ Installed Location ]
6 Heated Oxygen Sensor (HO2S) (G39) with Oxygen Sensor (O2S) Heater (Z19)
• 55 Nm
• Component location => [ Oxygen Sensors Location, Cylinder Bank
1 (right) ]
• Connector location => [ Right Holder for Connectors on the
Bulkhead Plenum Chamber ]
• Removing and installing, refer to => [ Heated Oxygen Sensor (HO2S) (G39) in Front of Bank 1 Right Catalytic Converter ] Heated Oxygen Sensor (HO2S) (G39) in Front of Bank 1 Right Catalytic Converter
7 Exhaust Camshaft Adjustment Valve 1 (N318)
• Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 1 (right) ]
8 Camshaft Adjustment Valve 1 (N205)
• Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 1 (right) ]
9 Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) with Heater for Oxygen Sensor (O2S) 1 after Three Way Catalytic Converter (TWC) (Z29)
• 55 Nm
• Component location => [ Oxygen Sensors Location, Cylinder Bank
1 (right) ]
• Connector location => [ Right Holder for Connectors on the
Bulkhead Plenum Chamber ]
• Removing and installing, refer to => [ Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) Bank 1 Right ] Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) Bank 1 Right
10 Engine Control Module (J623)
• Component location => [ Location ]
• Removing and installing, refer to => [ Engine Control Module ] Service and Repair
• After replacing, perform "Adaptation" in "Guided Functions"
11 Right Holder for Connectors
• Connector locations => [ Right Holder for Connectors on the
Bulkhead Plenum Chamber ]
12 Throttle Valve Control Module (J338)
• With EPC throttle drive (G186) , EPC throttle drive angle sensor 1 (G187) and EPC throttle drive angle sensor 2 (G188)
• After replacing, perform "Adaptation" in "Guided Functions"
• Component location => [ Installed Location on Rear of Intake
Manifold ]
13 Secondary Air Injection Sensor 1 (G609)
• Component location => [ Installed Location: ]
14 EVAP Canister Purge Regulator Valve 1 (N80)
• Component location => [ Installed Location on Rear of Intake
Manifold ]
15 Secondary Air Injection (AIR) Solenoid Valve (N112)
• Component location => [ Installed Location on Rear of Intake
Manifold ]
16 Intake Air Temperature (IAT) Sensor (G42) / Manifold Absolute Pressure (MAP) Sensor (G71)
• Component location => [ Installed Location on Rear of Intake
Manifold ]
17 Secondary Air Injection (AIR) Solenoid Valve 2 (N320)
• Component location => [ Installed Location on Rear of Intake
Manifold ]
18 Knock Sensor (KS) 1 (G61)
• Component location => [ Installed Location under the Intake
Manifold, Cylinder Bank 1 (right) ]
• Connector location => [ Left Rear Engine Electrical Connectors ]
19 Fuel Injectors, Cylinder Bank 1
• Cylinder 1 fuel injector (N30)
• Cylinder 2 fuel injector (N31)
• Cylinder 3 fuel injector (N32)
• Component location => [ Installed Location under the Intake
Manifold, Cylinder Bank 1 (right) ]
• Removing and installing, refer to => [ Fuel Injectors ] Service and Repair
20 Intake Manifold Tuning (IMT) Valve (N156)
Component location => [ Installed Location Front on Engine ]
21 Actuator for Intake Manifold Change-Over
22 Engine Coolant Temperature (ECT) Sensor (G62)
• Component location => [ Installed Location Front on Engine ]
23 Camshaft Position Sensor (G40)
• Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 1 (right) ]
24 High Pressure Pump
• Component location => [ Installed Location on the High Pressure
Pump ]
• Removing and installing, refer to => [ High Pressure Pump ] High Pressure Pump
25 Fuel Metering Valve (N290)
• Component location => [ Installed Location on the High Pressure
Pump ]
26 Low Fuel Pressure Sensor (G410)
• Component location => [ Installed Location on the High Pressure
Pump ]
27 Camshaft Adjuster Actuators
• Cam adjustment actuator 1 (F366)
• Cam adjustment actuator 2 (F367)
• Cam adjustment actuator 3 (F368)
• Cam adjustment actuator 4 (F369)
• Cam adjustment actuator 5 (F370)
• Cam adjustment actuator 6 (F371)
• Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 1 (right) ]
Engine Compartment, Left
1 Fuel Pressure Sensor (G247)
• Component location => [ Component Location Under the Intake
Manifold, Cylinder Bank 2 (left) ]
2 Knock Sensor (KS) 2 (G66)
• Component location => [ Component Location Under the Intake
Manifold, Cylinder Bank 2 (left) ]
• Connector location => [ Left Rear Engine Electrical Connectors ]
3 Fuel injectors, Cylinder bank 2
• Cylinder 4 fuel injector (N33)
• Cylinder 5 fuel injector (N83)
• Cylinder 6 fuel injector (N84)
• Component location => [ Component Location Under the Intake
Manifold, Cylinder Bank 2 (left) ]
• Removing and installing, refer to => [ Fuel Injectors ] Service and Repair
4 Engine Speed (RPM) Sensor (G28)
• Component location => [ Installed Location ]
5 Oxygen Sensor (O2S) 2 after Three Way Catalytic Converter (TWC) (G131) with Heater for Oxygen Sensor (O2S) 2 after Three Way Catalytic Converter (TWC) (Z30)
• 55 Nm
• Component location => [ Oxygen Sensors Location, Cylinder Bank
2 (left) ]
• Connector location => [ Left Holder for Connectors on the Bulkhead
Plenum Chamber ]
• Removing and installing, refer to => [ Oxygen Sensor (O2S) 2 after Three Way Catalytic Converter (TWC) (G131) Bank 2 Left ] Oxygen Sensor (O2S) 2 after Three Way Catalytic Converter (TWC) (G131) Bank 2 Left
6 Left Holder for Connectors
• Connector locations => [ Left Holder for Connectors on the Bulkhead
Plenum Chamber ]
7 With Malfunction Indicator Lamp (K83) and Electronic Power Control Malfunction Indicator Lamp (K132)
• Inside the instrument cluster
8 Accelerator Pedal Position Sensor (G79) / Accelerator Pedal Position Sensor 2 (G185)
• In accelerator pedal module, component location => [ Location / ]
9 Brake Light Switch (F) / Brake Pedal Switch (F47)
• Component location => [ Location / ]
10 Not Installed
11 Relay Box
12 Camshaft Adjustment Valve 2 (N208)
Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 2 (left) ]
13 Exhaust Camshaft Adjustment Valve 2 (N319)
• Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 2 (left) ]
14 Heated Oxygen Sensor (HO2S) 2 (G108) with Oxygen Sensor (O2S) 2 Heater (Z28)
• 55 Nm
• Component location => [ Oxygen Sensors Location, Cylinder Bank
2 (left) ]
• Connector location => [ Left Holder for Connectors on the Bulkhead
Plenum Chamber ]
• Removing and installing, refer to => [ Heated Oxygen Sensor 2 (G108) in Front of Bank 2 Left Catalytic Converter ] Heated Oxygen Sensor 2 (G108) in Front of Bank 2 Left Catalytic Converter
15 Camshaft Position (CMP) Sensor 4 (G301)
• Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 2 (left) ]
16 Left Electrohydraulic Engine Mount Solenoid Valve (N144)
• Component location => [ Installed Location or ]
17 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
18 Oil Pressure Regulation Valve (N428)
• Component location => [ Installed Location ]
19 Camshaft Adjuster Actuators
• Cam adjustment actuator 7 (F372)
• Cam adjustment actuator 8 (F373)
• Cam adjustment actuator 9 (F374)
• Cam adjustment actuator 10 (F375)
• Cam adjustment actuator 11 (F376)
• Cam adjustment actuator 12 (F377)
• Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 2 (left) ]
20 Camshaft Position (CMP) Sensor 2 (G163)
• Component location => [ Camshaft Position Sensor, Adjusting
Elements and Camshaft Adjuster Valves, Cylinder Bank 2 (left) ]
21 Intake Manifold Tuning (IMT) Valve Position Sensor (G513)
• Component location => [ Installed Location Front on Engine ]
Location Engine Control Module (ECM) (J623)
• in the E-box in engine compartment, right
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 integrated in the gas pedal module and cannot be replaced individually.
Location Brake Light Switch (F) / Brake Pedal Switch (F47)
• On pedal mount - arrow -.
Right Holder for Connectors on the Bulkhead Plenum Chamber
1. For the heated oxygen sensor (HO2S) (G39) with oxygen sensor (O2S) heater (Z19)
2. For oxygen sensor (O2S) after three way catalytic converter (TWC) (G130) with heater for oxygen sensor (O2S) 1 after three way catalytic converter (TWC) (Z29)
Left Holder for Connectors on the Bulkhead Plenum Chamber
1. For the heated oxygen sensor (HO2S) 2 (G108) with oxygen sensor (O2S) 2 heater (Z28)
2. For oxygen sensor (O2S) 2 after three way catalytic converter (TWC) (G131) with heater for oxygen sensor (O2S) 2 after three way catalytic converter (TWC) (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 three way catalytic converter (TWC) (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 three way catalytic converter (TWC) (G131) with heater for oxygen sensor (O2S) 2 after three way catalytic converter (TWC) (Z30)
Right Rear Engine Electrical Connector
1. To the fuel injectors, cylinder bank 1
• - Arrow - indicates Ground (GND) point
Left Rear Engine Electrical Connectors
1. Green: to knock sensor (KS) 1 (G61)
2. Grey: to knock sensor (KS) 2 (G66)
3. To cylinder bank 2 fuel injectors and to fuel pressure sensor (G247)
• - Arrow - indicates Ground (GND) point
Camshaft Position Sensor, Adjusting Elements and Camshaft Adjuster Valves, Cylinder Bank 1 (right)
1. Camshaft position (CMP) sensor 3 (G300)
2. Exhaust camshaft adjustment valve 1 (N318)
3. Camshaft adjustment valve 1 (N205)
4. Cam adjustment actuator 6 (F371)
5. Cam adjustment actuator 2 (F367)
6. Cam adjustment actuator 3 (F368)
7. Cam adjustment actuator 4 (F369)
8. Cam adjustment actuator 5 (F370)
9. Cam adjustment actuator 1 (F366)
10. Camshaft position sensor (G40)
Camshaft Position Sensor, Adjusting Elements and Camshaft Adjuster Valves, Cylinder Bank 2 (left)
1. Camshaft position (CMP) sensor 2 (G163)
2. Cam adjustment actuator 7 (F372)
3. Cam adjustment actuator 8 (F373)
4. Cam adjustment actuator 9 (F374)
5. Cam adjustment actuator 10 (F375)
6. Cam adjustment actuator 11 (F376)
7. Cam adjustment actuator 12 (F377)
8. Camshaft Adjustment Valve 2 (N208)
9. Exhaust Camshaft adjustment valve 2 (N319)
10. Camshaft position (CMP) sensor 4 (G301)
Installed Location Front on Engine
1. Engine coolant temperature (ECT) sensor (G62)
2. Intake manifold tuning (IMT) valve (N156)
3. Intake manifold tuning (IMT) valve position sensor (G513)
Installed Location on Rear of Intake Manifold
1. Secondary air injection (AIR) solenoid valve 2 (N320)
2. Throttle valve control module (J338)
3. EVAP canister purge regulator valve 1 (N80)
4. Secondary air injection (AIR) solenoid valve (N112)
5. Intake air temperature (IAT) sensor (G42) / manifold absolute pressure (MAP) sensor (G71)
Installed Location: Secondary Air Injection Sensor 1 (G609)
• On the back of the engine.
2 Secondary air injection sensor 1 (G609)
Installed Location on the High Pressure Pump
1. Low Fuel Pressure Sensor (G410)
2. Fuel Metering Valve (N290)
Installed Location Oil Pressure Regulation Valve (N428)
• Left side, underneath on the engine.
4 Oil pressure regulation valve (N428)
Installed Location Left Electrohydraulic Engine Mount Solenoid Valve (N144) or Right Electrohydraulic Engine Mount Solenoid Valve (N145)
• On the left and right engine mounts - arrow -.
Installed Location under the Intake Manifold, 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, 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)
Installed Location Engine Speed (RPM) Sensor (G28)
• At front left of transmission housing - arrow -.
Installed Location of Secondary Air Injection (AIR) Pump Motor (V101)
• Below the right headlamp.
Installed Location Intake Air Switch-Over Valve (N335)
2 Intake air switch-over valve (N335)
• Ignore - 1 and 3 -.