Component Locations
Component Locations
Engine Compartment, Right
1 Brake system vacuum pump (V192)
2 Positive Crankcase Ventilation (PCV) heating element (N79)
• Component location => [ Location of ]
3 Oxygen sensor (G39)
• Component location => [ Location of Oxygen Sensors ]
• Connector location => [ Location of Oxygen Sensor Connectors ]
• Removing and installing => [ Oxygen Sensors ] Service and Repair.
• 55 Nm
4 Intake Air Temperature (IAT) sensor (G42)/Mass Air Flow (MAF) sensor (G70)
• Removing and installing => [ Intake Air Temperature Sensor and Mass Air Flow Sensor ] Service and Repair.
5 Oxygen sensor electrical connectors
• Routing => [ Location of Oxygen Sensor Connectors ]
6 Heated Oxygen Sensor (HO2S) 2 (G108)
• Component location => [ Location of Oxygen Sensors ]
• Removing and installing => [ Oxygen Sensors ] Service and Repair.
• 55 Nm
7 Engine control module (J623)
• Component location => [ Location of ]
• Removing and installing => [ Engine Control Module ] Service and Repair.
8 Throttle valve control module (J338)
• Perform adaptation after replacing -> vehicle diagnostic tester.
• Component location => [ Location of ]
9 Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) (G130)
• Component location => [ Location of Oxygen Sensors ]
• Connector location => [ Location of Oxygen Sensor Connectors ]
• Removing and installing => [ Oxygen Sensors ] Service and Repair.
• 55 Nm
10 Oxygen Sensor (O2S) 2 behind Three Way Catalytic Converter (TWC) (G131)
• Component location => [ Location of Oxygen Sensors ]
• Removing and installing => [ Oxygen Sensors ] Service and Repair.
• 55 Nm
11 Vacuum booster pump valve (N401)
• Component location => [ Location of ]
12 Evaporative emission (EVAP) canister purge regulator valve (N80)
• Component location => [ Location of ]
13 Camshaft Position (CMP) sensor 2 (G163)
• Component location => [ Location of Hall Sensor and Camshaft Adjustment
Valves ]
14 After run coolant pump (V51)
• Component location => [ Location of ]
• Removing and installing
15 Camshaft adjustment valve 1 (exhaust) (N318)
• Component location => [ Location of Hall Sensor and Camshaft Adjustment
Valves ]
16 Camshaft adjustment valve 1 (N205)
• Component location => [ Location of Hall Sensor and Camshaft Adjustment
Valves ]
17 Camshaft Position (CMP) sensor (G40)
• Component location => [ Location of Hall Sensor and Camshaft Adjustment
Valves ]
18 Knock Sensor (KS) 1 (G61) electrical connector
• Component location => [ Location of ]
19 Ignition coils
• 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)
• Ignition coil 5 with power output stage (N323)
• Ignition coil 6 with power output stage (N324)
• Removing and installing => [ Ignition Coils ] Service and Repair.
20 Knock sensor 1 (G61)
• Component location => [ Location of ]
21 Engine Coolant Temperature (ECT) sensor (on radiator) (G83)
• Component location => [ Location of ]
Engine Compartment, Left
1 Fuel pressure sensor (G247)
• Component location => [ Location of and ]
2 Engine Coolant Temperature (ECT) sensor (G62)
• Component location => [ Location of ]
3 Low fuel pressure sensor (G410)
• Component location => [ Location of and ]
4 Engine malfunction lamp
5 Brake booster pressure sensor (G294)
• Component location => [ Location of ]
6 Throttle Position (TP) sensor (G79)/accelerator pedal position sensor 2 (G185)
• In accelerator pedal module, component location => [ Location of / ]
7 Brake light switch (F)/Brake pedal switch (F47)
• Component location => [ Location of / ]
8 E-box plenum chambers
• Location in 6-pin relay carrier "A" => [ Location in 6-pin Relay Carrier in Left E-box
Plenum Chamber ]
• Location in relay and fuse carrier "C" => [ Location in Relay and Fuse Carrier in Left
E-box Plenum Chamber ]
9 Fuel metering valve (N290)
• In high pressure pump
• Component location => [ Location of ]
10 Engine Speed (RPM) sensor (G28)
• Component location => [ Location of ]
11 Knock sensor 2 (G66)
• Component location => [ Location of ]
12 Intake Manifold Runner Control (IMRC) valve (N316)
• Component location => [ Location of ]
13 Electrical harness connector
• For Engine Speed (RPM) sensor (G28)
• Component location => [ Location of Electrical Connector ]
14 Fuel injectors on lower fuel rail
• Cylinder 2 fuel injector (N31)
• Cylinder 4 fuel injector (N33)
• Cylinder 6 fuel injector (N84)
• Removing and installing => [ Fuel Rail and Injectors, for Cylinders 2, 4 and 6 ] Fuel Rail and Injectors, For Cylinders 2, 4 and 6.
15 Fuel injectors on upper fuel rail
• Cylinder 1 fuel injector (N30)
• Cylinder 3 fuel injector (N32)
• Cylinder 5 fuel injector (N83)
• Removing and installing => [ Fuel Rail and Injectors, for Cylinders 1, 3 and 5 ] Fuel Rail and Injectors, For Cylinders 1, 3 and 5.
Location of Engine Control Module (ECM) (J623) - 1 -
• In E-box, plenum chamber.
• Ignore - 2 -.
Location in Relay and Fuse Carrier Under Driver's Seat
A Power supply relay (terminal 15) (J329)
F 1 to 7 - fuses
Location in 6-pin Relay Carrier in Left E-box Plenum Chamber
1. Starter relay (J53)
2. Starter relay 2 (J695)
3. Engine component power supply relay (J757)
4. Not used
5. Brake booster relay (J569)
6. Not used
Location in Relay and Fuse Carrier in Left E-box Plenum Chamber
S 1 to 18 - fuses
19 Not used
20 Motronic Engine Control Module (ECM) power supply relay (J271)
Location of Throttle Position (TP) Sensor (G79)/Accelerator Pedal Position Sensor 2 (G185)
• In accelerator pedal module - arrow -.
• The Throttle Position (TP) sensor (G79) and accelerator pedal position sensor 2 (G185) are integrated in the gas pedal module and cannot be replaced individually.
Location of Brake Light Switch (F)/Brake Pedal Switch (F47)
• On pedal mount - arrow -.
• Switch may only be installed once to ensure secure seating.
Location of Oxygen Sensor Connectors
• At right strut tower
1. To Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) (G130)
2. To Heated Oxygen Sensor (HO2S) (G39)
3. To Oxygen Sensor (O2S) 2 behind Three Way Catalytic Converter (TWC) (G131)
4. To Heated Oxygen Sensor (HO2S) 2 (G108)
Location of Oxygen Sensors
1. Oxygen Sensor (O2S) 2 behind Three Way Catalytic Converter (TWC) (G131)
2. Heated Oxygen Sensor (HO2S) 2 (G108)
3. Oxygen sensor (G39)
4. Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) (G130)
Location of Engine Speed (RPM) Sensor (G28)
• Under left engine support - arrow -.
Location of Engine Speed (RPM) Sensor (G28) Electrical Connector
• On bottom of oil dipstick guide tube - arrow -.
Location of Engine Coolant Temperature (ECT) Sensor (G62)
• In left coolant connection at rear of engine - arrow -.
• Ignore - 1 -.
Location of Engine Coolant Temperature (ECT) Sensor (on Radiator) (G83)
• In right coolant connection at bottom of radiator - arrow -.
• Ignore - 1 -.
Location of Throttle Valve Control Module (J338) - 1 -
• At left rear of intake manifold.
• Ignore - arrows -.
Location of Knock Sensor (KS) 1 (G61)
• At right front of cylinder block.
1. Knock sensor 1 (G61)
2. 3-pin harness connector
Location of Knock Sensor (KS) 2 (G66)
• At left of cylinder block - arrow -.
Location of Hall Sensor and Camshaft Adjustment Valves
• At rear of cylinder head.
1. Camshaft Position (CMP) sensor (G40)
2. Camshaft position (CMP) sensor 2 (G163)
3. Camshaft adjustment valve 1 (N205)
4. Camshaft adjustment valve 1 (exhaust) (N318)
Location of After Run Coolant Pump (V51)
• At rear of engine - arrow -.
• Ignore - 1, 2, 3 -.
Location of Intake Manifold Runner Control (IMRC) Valve (N316)
• At left under intake manifold - arrow -.
Location of Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
• At rear of cylinder head - arrow -.
Location of Fuel Metering Valve (N290)
• On lower left high pressure pump at rear of engine - arrow -.
Location of Fuel Pressure Sensor (G247) and Low Fuel Pressure Sensor (G410)
• At left rear of engine.
1. Fuel pressure sensor (G247)
2. Low fuel pressure sensor (G410)
Location of Brake Booster Pressure Sensor (G294)
• At left in plenum chamber - arrow -.
Location of Positive Crankcase Ventilation (PCV) Heating Element (N79)
• At right rear of engine - arrow -.
Location of Vacuum Booster Pump Valve (N401)
• At right rear of engine - arrow -.