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Component Locations Overview







Component Locations Overview

Components A through I are not depicted in the exploded view illustration.






1 - Heated Oxygen Sensor (HO2S) (G39) and Oxygen Sensor (O2S) Heater (Z19)

• Removing and installing, refer to => [ Heated Oxygen Sensor (G39) and Oxygen Sensor Heater (Z19) ] Heated Oxygen Sensor (G39) and Oxygen Sensor Heater (Z19)

2 - Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) and Heater for Oxygen Sensor (O2S) 1 after Catalytic Converter (Z29)

• Removing and installing, refer to => [ Oxygen Sensor after Three Way Catalytic Converter (G130) and Heater for Oxygen Sensor 1 after Catalytic Converter (Z29) ] Oxygen Sensor After Three Way Catalytic Converter (G130) and Heater For Oxygen Sensor 1 After Catalytic Converter (Z29)

3 - Fuel Pressure Regulator Valve (N276)

4 - High Pressure Pump

5 - Channel Separating Plate Vacuum Diaphragm (intake manifold flaps)

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

7 - Engine Speed (RPM) Sensor (G28)

• 4.5 Nm

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

9 - 6-Pin Connectors

• For Heated Oxygen Sensor (HO2S) (G39) and Oxygen Sensor (O2S) Heater (Z19) (black)

• Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) and Heater for Oxygen Sensor (O2S) 1 after Catalytic Converter (Z29) (brown connector)

10 - Connectors

• For Knock Sensor (KS) 1 (G61) , IMRC valve, fuel pressure sensor (G247) , intake manifold runner position sensor (G336) , Engine Coolant Temperature (ECT) sensor (G62) , Camshaft Position (CMP) sensor (G40) and fuel injectors N30...N33

11 - Engine Control Module (ECM) (J623)

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

12 - Charge Air Pressure Sensor (G31)

13 - Throttle Valve Control Module (J338), Electronic Power Control (EPC) throttle drive (G186)

• EPC throttle drive angle sensor 1 (G187) and EPC throttle drive angle sensor 2 (G188)

• Each time the throttle valve control module is removed and installed or replaced, it must be adapted to the ECM.

14 - Intake Air Temperature (IAT) Sensor (G42)

15 - Knock Sensor (KS) 1 (G61)

• 20 Nm

• In order to remove, the coolant pump and coolant thermostat must be removed

• Removing and installing, refer to => [ Knock Sensor 1 (G61) ] Service and Repair

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

17 - Fuel Pressure Sensor (G247)

• Removing and installing, refer to => [ Fuel Pressure Sensor (G247) ] Service and Repair

18 - Oil Pressure Regulation Valve (N428)

19 - Reduced Oil Pressure Switch (F378)

20 - Oil Pressure Switch (F22)

21 - Intake Manifold Runner Position Sensor (G336)

22 - Camshaft Position (CMP) Sensor (G40)

23 - Camshaft Adjustment Valve 1 (N205)

24 - Ignition Coils with Power Output Stages

• The ignition coils must be pulled out of the cylinder head using the ignition coil puller (T40039)

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

25 - Turbocharger Recirculating Valve (N249)

26 - Cam Adjustment Actuator

• 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)

• Cam adjustment actuator 7 (F372)

• Cam adjustment actuator 8 (F373)

27 - Wastegate Bypass Regulator Valve (N75)

28 - Mass Airflow (MAF) Sensor (G70)

• Removing and installing, refer to => [ Mass Airflow Sensor (G70) ] Mass Airflow Sensor (G70)

A - Data Link Connector (DLC)

• In knee bolster on driver's side

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

C - Brake Lamp Switch (F) and Brake Pedal Switch (F47)

• In footwell at brake pedal

D - Clutch Position Sensor (G476)

• Only on vehicles with a manual transmission

E - Accelerator Pedal Position Sensor (G79) and Accelerator Pedal Position Sensor 2 (G185)

• On accelerator pedal (both sensors are stored in one housing

F - Coolant Fan Control Module (J293)

• Installed inside the coolant fan

G - Fuel Injectors

• Cylinder 1 fuel Injector (N30)

• Cylinder 2 fuel Injector (N31)

• Cylinder 3 fuel Injector (N32)

• Cylinder 4 fuel Injector (N33)

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

H - After-Run Coolant Pump (V51)

• Not installed on all vehicles (only extreme hot climate countries)

I - Left Electrohydraulic Engine Mount Solenoid Valve (N144)

• Not installed in all vehicles (depends on the transmission)

Engine Control Module (ECM) (J623)





• Inside the left E-box in the engine compartment.

FP Control Module - 1 -





Accelerator Pedal Position Sensor and Accelerator Pedal Position Sensor 2





2 Connector

Clutch Position Sensor - 2 -





Integrated functions: clutch pedal starter interlock switch (F194) and clutch pedal switch (F36) (manual transmission only)

1 Brake lamp switch and brake pedal switch

After-Run Coolant Pump





1 After-run coolant pump connector

Oil Pressure Switch





1 Oil pressure switch connector
2 Oil pressure switch
3 Reduced oil pressure switch
4 Reduced oil pressure switch connector

Oil Pressure Regulation Valve - 3 -





Ignition Coils





1 Ignition coil 1 with power output stage (N70)
2 Ignition coil 2 with power output stage (N127)
3 Ignition coil 3 with power output stage (N291)
4 Ignition coil 4 with power output stage (N292)
5 Cam adjustment actuator 2 (F367) (for cylinder 1)
6 Cam adjustment actuator 1 (F366) (for cylinder 1)
7 Cam adjustment actuator 3 (F368) (for cylinder 2)
8 Cam adjustment actuator 4 (F369) (for cylinder 2)
9 Cam adjustment actuator 6 (F371) (for cylinder 3)
10 Cam adjustment actuator 5 (F370) (for cylinder 3)
11 Cam adjustment actuator 7 (F372) (for cylinder 4)
12 Cam adjustment actuator 8 (F373) (for cylinder 4)

Fuel Pressure Sensor - 1 -





IMRC Valve - 2 -





1 Intake manifold flap vacuum diaphragm

Intake Manifold Runner Position Sensor - 1 -





CMP Sensor - 1 -





Connectors





1 From EVAP canister purge regulator valve 1
2 From the KS 1
3 (14-pin) intake manifold runner control valve, fuel pressure sensor, intake manifold runner position sensor, ECT Sensor and CMP Sensor
4 (8-pin) from fuel injectors N30 to N33
5 From the throttle valve control module
6 IAT sensor

High Pressure Pump





1 Fuel pressure regulator valve
2 High pressure pump
- arrows - bolts

RPM Sensor - 2 -





Camshaft Adjustment Valve 1 - arrow -





Components





1 IAT sensor
2 Throttle valve control module

ECT sensor - 1 -





Installed below from the intake manifold inside the coolant pump.

Charge Air Pressure Sensor - 1 -





Component and Connectors





1 EVAP canister purge regulator valve 1 (N80)
2 Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) and Heater for Oxygen Sensor (O2S) 1 after Catalytic Converter (Z29)
3 Heated Oxygen Sensor (HO2S) (G39) and Oxygen Sensor (O2S) Heater (Z19)

Oxygen Sensors





1 Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) and Heater for Oxygen Sensor (O2S) 1 after Catalytic Converter (Z29)

2 Heated Oxygen Sensor (HO2S) (G39) and Oxygen Sensor (O2S) Heater (Z19)

Components on Turbocharger





1 Turbocharger
2 Turbocharger vacuum diaphragm
3 Wastegate bypass regulator valve
4 Turbocharger recalculating valve (note the installation position, next illustration)

Observe Installed Location of Turbocharger Recirculating Valve





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