Overview of component locations: Notes
Components A through O are not depicted in exploded view illustration.
1 - Mass air flow (MAF) sensor G70
- Refer to → Mass Air Flow (MAF) Sensor G70
2 - Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor (O2S) Heater Z19
3 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) Z29
4 - Engine coolant temperature (ECT) sensor G62
- Refer to → Engine Coolant Temperature (ECT) Sensor G62
5 - Camshaft Adjustment Valve 1 N205
6 - Fuel Pressure Regulator Valve N276
7 - Single piston high pressure pump
8 - Low Fuel Pressure Sensor G410
- 15 Nm
9 - Intake Flap Motor V157 with Intake Manifold Runner Position Sensor G336
10 - Engine Speed (RPM) Sensor G28
11 - 6-pin harness connector Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) Z29 (brown connector)
12 - 6-pin harness connector
- For Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor (O2S) Heater Z19 (black) Electrical harness connectors
13 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve 1 N80
14 - Engine Control Module (ECM) J623
- Removing and installing → - 24 - MULTIPORT FUEL INJECTION (MFI)
15 - Charge Air Pressure Sensor G31
- Refer to → Charge Air Pressure Sensor G31
16 - Throttle Valve Control Module J338 , Throttle Drive (for Electronic Power Control (EPC)) G186 ,
- Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) G187 and Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) G188
- After replacing Throttle Valve Control Module J338 , it must be adapted to Engine Control Module (ECM) J623 again (basic setting, display group 60) see "Guided Fault Finding"
- Refer to → Intake Air Temperature (IAT) Sensor G42 Throttle Valve Control Module J338
17 - Intake Air Temperature (IAT) Sensor G42
18 - Fuel Pressure Sensor G247
- Refer to → Fuel Pressure Sensor G247
19 - Camshaft Position (CMP) Sensor G40
- Refer to → Camshaft Position (CMP) Sensor G40
20 - Ignition coils with power output stages
- 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
- The ignition coils must be pulled out of cylinder head using Ignition Coil Puller T40039
- Removing and installing → - 24 - MULTIPORT FUEL INJECTION (MFI)
21 - Turbocharger Recalculating Valve N249
- Installed directly on turbocharger Components on turbocharger
22 - Wastegate Bypass Regulator Valve N75
- Installed directly on turbocharger Components on turbocharger
A - Data Link connector (DLC)
- In knee bolster on drivers side
B - Fuel Pump (FP) Control Module J538
- Refer to → Fuel Pump (FP) Control Module J538
C - "EPC" indicator lamp
- In instrument cluster
D - Exhaust Malfunction Indicator Lamp "MIL"
- In instrument cluster
E - 8-pin harness connector for fuel injectors
F - Connector
- For Camshaft Position (CMP) Sensor G40 and Fuel Pressure Sensor G247
- Component locations beneath intake manifold
G - Brake Light Switch F and Brake Pedal Switch F63
- Refer to → Installed location Brake light switch F and Brake pedal switch F47 , Clutch pedal switch F36
H - Throttle position (TP) sensor G79 and Accelerator Pedal Position Sensor 2 G185
- On accelerator pedal (both sensors are stored in one housing)
I - Clutch pedal switch F36
- Refer to → Installed location Brake light switch F and Brake pedal switch F47 , Clutch pedal switch F36
J - Relay and fuse carrier in E-box
K - Coolant Fan Control (FC) control module J293
- Installed in left coolant fan, when facing driving direction
L - Fuel injector
- In fuel rail pipe
- Cylinder 1 Fuel Injector N30
- Cylinder 2 Fuel Injector N31
- Cylinder 3 Fuel Injector N32
- Cylinder 4 Fuel Injector N33
- Removing and installing → - 24 - MULTIPORT FUEL INJECTION (MFI)
Fuel injectors referred to here are high pressure fuel injectors. They inject fuel directly into the cylinder under high pressure (max. approx. 120 bar).
M - Knock Sensor (KS) I G61
- For cylinder 1 and 2
- Torque specification: 20 Nm
- Component locations beneath intake manifold
N - Knock sensor 2 G66
- For cylinder 3 and 4
- Torque specification: 20 Nm
- Component locations beneath intake manifold
O - Oil Pressure Sensor G10