Engine: Locations
Overview of component locations
Components A through O are not depicted in exploded view illustration.
1 - 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
5 - Camshaft Adjustment Valve 1 N205
6 - Fuel Pressure Regulator Valve N276
7 - Single piston high pressure pump
8 - Low Fuel Pressure Sensor G410
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
13 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve 1 N80
14 - Engine Control Module (ECM) J623
15 - Charge Air Pressure Sensor G31
16 - Throttle Valve Control Module J338, Throttle Drive (for Electronic Power Control (EPC)) G186,
17 - Intake Air Temperature (IAT) Sensor G42
18 - Fuel Pressure Sensor G247
19 - Camshaft Position (CMP) Sensor G40
20 - Ignition coils with power output stages
21 - Turbocharger Recalculating Valve N249
22 - Wastegate Bypass Regulator Valve N75
A - Data Link connector (DLC)
B - Fuel Pump (FP) Control Module J538
C - "EPC" indicator lamp
D - Exhaust Malfunction Indicator Lamp "MIL"
E - 8-pin harness connector for fuel injectors
F - Connector
G - Brake Light Switch F and Brake Pedal Switch F63
H - Throttle position (TP) sensor G79 and Accelerator Pedal Position Sensor 2 G 185
I - Clutch pedal switch F36
J - Relay and fuse carrier in E-box
K - Coolant Fan Control (FC) control module J293
L - Fuel injector
M - Knock Sensor (KS) I G61
N - Knock sensor 2 G66
O - Oil Pressure Sensor G10
Fuel Pressure Sensor G247, - 1 - (torque specification 15 Nm)
Camshaft Position (CMP) Sensor G40 - 1 -
Mass Air Flow (MAF) Sensor G70 - 1 -
Camshaft Adjustment Valve 1 N205 - 1 - and Fuel Pressure Regulator Valve N276 -2-
Intake Air Temperature (IAT) Sensor G42 - 1 - Throttle Valve Control Module J338 -2-
Fuel Pump (FP) Control Module J538 - 1 -
Electrical harness connectors
1 - 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)
2 - Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor (O2S) Heater Z19 (black connector)
Oxygen sensors
1 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) Z29
2 - Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor (O2S) Heater Z19
Installed location of Engine Control Module (ECM) J623
Engine Coolant Temperature (ECT) Sensor G62 - 1 -
Installed location Brake light switch F and Brake pedal switch F47, Clutch pedal switch F36
1. Brake light switch F, Brake pedal switch F47
2. Clutch pedal switch F36
Note:
^ To ensure that they are absolutely securely seated, the switches may only be installed once.
Installed location in 4-socket relay carrier, plenum chamber E-box
1.1 - Not used
1.2 -
2 - Motronic Engine Control Module (ECM) Power Supply Relay J271
3 - Engine Component Power Supply Relay J757
A -
B -
C -
Installed location on 9-socket relay carrier in driver footwell
1 - Fuel pump (FP) relay J17
Electrical harness connectors
1 - Oil Pressure Sensor G10
2 - 3-pin connection (gray) for engine speed (RPM) sensor G28
3 - Engine Speed (RPM) Sensor G28
Component locations beneath intake manifold
1 - Knock Sensor (KS) I G61
2 - Knock Sensor (KS) II G66
3 - Oil Pressure Sensor G10
4 - 3-pin connection (gray) for engine speed (RPM) sensor G28
5 - Electrical connection for Camshaft Position (CMP) Sensor G40 and Fuel Pressure Sensor G247
6 - 8-pin harness connector for fuel injectors
Charge Air Pressure Sensor G31 - 1 -
Components on turbocharger
1 - Turbocharger
2 - Wastegate Bypass Regulator Valve N75
3 - Turbocharger Recalculating Valve N249