Component Locations Overview
Component Locations Overview
Engine compartment, right
1 - Engine control module (ECM) 2 (J624)
• Component location => [ Location of and ]
• Removing and installing, refer to => [ Engine Control Module, Slave ] Engine Control Module, Slave
2 - Intake air switch-over valve (N335)
• Component location => [ ]
3 - Camshaft Adjustment Valve 1 (exhaust) (N318)
4 - Engine Control Module (J623)
• Removing and installing, refer to => [ Engine Control Module, Master ] Engine Control Module, Master
5 - Camshaft Adjustment Valve 1 (N205)
6 - Low Fuel Pressure Sensor (G410)
• Component location => [ Engine viewed from rear ]
7 - Throttle valve control module (J338)
• After replacement, adapt in "Guided Functions" operating mode under "Adapting throttle valve control module"
8 - Engine Coolant Temperature (ECT) Sensor (G62)
• Component location => [ Engine viewed from rear ]
9 - Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
• => [ Locations ]
10 - Components on front of engine
• Locations => [ Engine viewed from front ]
• Intake Manifold Runner Position Sensor (G336)
• Variable Intake Manifold Runner Motor (V183)
• Intake Flap Motor (V157)
• Secondary air injection (AIR) solenoid valve (N112)
• Intake Manifold Runner Position Sensor 2 (G512)
• Oil pressure switch (F1)
• Knock Sensor (KS) 4 (G199)
• Knock Sensor (KS) 3 (G198)
• Knock Sensor (KS) 1 (G61)
• Knock Sensor (KS) 2 (G66)
11 - Knock Sensor (KS) 2 (G66)
• Component location => [ Location inside cylinder head ]
• Electrical harness connector => [ Engine viewed from front ]
• 22 Nm
12 - Knock Sensor (KS) 1 (G61)
• Component location => [ Location inside cylinder head ]
• Electrical harness connector => [ Engine viewed from front ]
• 22 Nm
13 - Camshaft Position (CMP) sensor (G40)
14 - High pressure pump
• With Fuel Metering Valve (N290)
15 - Fuel Metering Valve (N290) electrical connector
• Common component with high pressure pump
16 - 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)
• Ignition Coil 4 with Power Output Stage (N292)
• Removing and installing, refer to => [ Ignition Coils with Power Output Stages ] Service and Repair
17 - Camshaft position (CMP) sensor 3 (G300)
• Attached to outside of cylinder head
18 - Secondary Air Injection (AIR) Pump Motor (V101)
• Below right longmember
• => [ (below right longmember) ]
19 - Mass Air Flow (MAF) Sensor (G70)/Intake Air Temperature (IAT) Sensor (G42)
• Removing and installing, refer to => [ Mass Air Flow Sensor, Cylinder Bank 1 ] Mass Air Flow Sensor, Cylinder Bank 1
• Installed in air filter housing
20 - Heated Oxygen Sensor (HO2S) 2 (G108) electrical connector (black)
• Oxygen sensor assembly overview, refer to => [ Oxygen Sensors Assembly Overview ] Oxygen Sensors Assembly Overview
21 - Heated Oxygen Sensor (HO2S) 4 (G286) electrical connector (brown)
• Oxygen sensor assembly overview, refer to => [ Oxygen Sensors Assembly Overview ] Oxygen Sensors Assembly Overview
Engine compartment, left
1 - Low Fuel Pressure Sensor (G410)
• Component location => [ Engine viewed from rear ]
2 - Engine Coolant Temperature (ECT) Sensor (G62)
• Component location => [ Engine viewed from rear ]
3 - Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)
• => [ Locations ]
4 - Throttle Valve Control Module 2 (J544)
• After replacement, adapt in "Guided Functions" operating mode under "Adapting throttle valve control module"
5 - Camshaft Adjustment Valve 2 (N208)
6 - Camshaft Adjustment Valve 2 (exhaust) (N319)
7 - Mass Air Flow (MAF) Sensor 2 (G246)
• Removing and installing, refer to => [ Mass Air Flow Sensor, Cylinder Bank 2 ] Mass Air Flow Sensor, Cylinder Bank 2
• Installed in air filter housing
8 - Camshaft position (CMP) sensor 4 (G301)
• Attached to outside of cylinder head
9 - Ignition coils, Cylinder bank 2
• Ignition Coil 5 with Power Output Stage (N323)
• Ignition Coil 6 with Power Output Stage (N324)
• Ignition Coil 7 with Power Output Stage (N325)
• Ignition Coil 8 with Power Output Stage (N326)
• Removing and installing, refer to => [ Ignition Coils with Power Output Stages ] Service and Repair
10 - Fuel Metering Valve 2 (N402) electrical connector
• Common component with high pressure pump
11 - Camshaft position (CMP) sensor 2 (G163)
12 - High pressure pump
• With Fuel Metering Valve 2 (N402)
13 - Knock Sensor (KS) 3 (G198)
• Component location => [ Location inside cylinder head ]
• Electrical harness connector => [ Engine viewed from front ]
• 22 Nm
14 - Knock Sensor (KS) 4 (G199)
• Component location => [ Location inside cylinder head ]
• Electrical harness connector => [ Engine viewed from front ]
• 22 Nm
15 - Fuel Pressure Sensor (G247)
• Component location => [ Location inside cylinder head ]
16 - Components on front of engine
• => [ Engine viewed from front ]
• Intake Manifold Runner Position Sensor (G336)
• Variable Intake Manifold Runner Motor (V183)
• Intake Flap Motor (V157)
• Secondary air injection (AIR) solenoid valve (N112)
• Intake Manifold Runner Position Sensor 2 (G512)
• Oil pressure switch (F1)
• Knock Sensor (KS) 4 (G199)
• Knock Sensor (KS) 3 (G198)
• Knock Sensor (KS) 1 (G61)
• Knock Sensor (KS) 2 (G66)
A - Engine speed (RPM) sensor (G28)
• Component location => [ ]
B - Throttle Position (TP) Sensor (G79)/Accelerator Pedal Position Sensor 2 (G185)
• In footwell on accelerator pedal (both sensors are integrated into one housing)
C - Brake light switch (F)/Brake pedal switch (F47)
• In footwell at brake pedal
D - Clutch Pedal Switch (F36) and Clutch Position Sensor (G476)
• In footwell on clutch pedal
E - Heated Oxygen Sensor (HO2S) (G39) before catalytic converter with Oxygen Sensor (O2S) Heater (Z19)
• Exhaust bank I (cylinder 1, 2, 3)
• Location of electrical connector => [ Location of electrical connectors for oxygen
sensors , , and ] Oxygen Sensors Assembly Overview
• Removing and installing, refer to => [ Oxygen Sensors, G39, G131, G285 and G288 ] Oxygen Sensors, G39, G131, G285 and G288
F - Heated Oxygen Sensor (HO2S) 2 (G108) before catalytic converter with Oxygen Sensor (O2S) 2 Heater (Z28)
• Exhaust bank II (cylinder 4, 5)
• Location of electrical connector => [ Location of electrical connectors for oxygen
sensors and ] Oxygen Sensors Assembly Overview
• Removing and installing, refer to => [ Oxygen Sensors, G108 and G286 ] Oxygen Sensors, G108 and G286
G - Heated Oxygen Sensor (HO2S) 3 (G285) before catalytic converter with Oxygen Sensor (O2S) 3 Heater (Z62)
• Exhaust bank III (cylinder 6, 7, 8)
• Location of electrical connector => [ Location of electrical connectors for oxygen
sensors , , and ] Oxygen Sensors Assembly Overview
• Removing and installing, refer to => [ Oxygen Sensors, G39, G131, G285 and G288 ] Oxygen Sensors, G39, G131, G285 and G288
H - Heated Oxygen Sensor (HO2S) 4 (G286) before catalytic converter with Oxygen Sensor (O2S) 4 Heater (Z63)
• Exhaust bank IV (cylinder 9, 10)
• Location of electrical connector => [ Location of electrical connectors for oxygen
sensors and ] Oxygen Sensors Assembly Overview
• Removing and installing, refer to => [ Oxygen Sensors, G108 and G286 ] Oxygen Sensors, G108 and G286
I - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) with Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater (Z29)
• Exhaust bank I (cylinder 1, 2, 3)
• Location of electrical connector => [ Location of electrical connectors for oxygen
sensors and ] Oxygen Sensors Assembly Overview
• Removing and installing, refer to => [ Oxygen Sensors, G130 and G287 ] Oxygen Sensors, G130 and G287
J - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) with Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater (Z30)
• Exhaust bank II (cylinder 4, 5)
• Location of electrical connector => [ Location of electrical connectors for oxygen
sensors , , and ] Oxygen Sensors Assembly Overview
• Removing and installing, refer to => [ Oxygen Sensors, G39, G131, G285 and G288 ] Oxygen Sensors, G39, G131, G285 and G288
K - Oxygen Sensor (O2S) 3 Behind Three Way Catalytic Converter (TWC) (G287) with Oxygen Sensor (O2S) 3 (behind Three Way Catalytic Converter (TWC)) Heater (Z64)
• Exhaust bank III (cylinder 6, 7, 8)
• Location of electrical connector => [ Location of electrical connectors for oxygen
sensors and ] Oxygen Sensors Assembly Overview
• Removing and installing, refer to => [ Oxygen Sensors, G130 and G287 ] Oxygen Sensors, G130 and G287
L - Oxygen Sensor (O2S) 4 Behind Three Way Catalytic Converter (TWC) (G288) with Oxygen Sensor (O2S) 4 (behind Three Way Catalytic Converter (TWC)) Heater (Z65)
• Exhaust bank IV (cylinder 9, 10)
• Location of electrical connector => [ Location of electrical connectors for oxygen
sensors , , and ] Oxygen Sensors Assembly Overview
• Removing and installing, refer to => [ Oxygen Sensors, G39, G131, G285 and G288 ] Oxygen Sensors, G39, G131, G285 and G288
Location of Engine Control Module (ECM) (J623) and Engine Control Module (ECM) 2 (J624)
1 Shows Engine Control Module (ECM) 2 (J624) (slave)
3 Shows Engine Control Module (ECM) (J623) (master)
5-pin relay carrier in passenger footwell
1.2 Auxiliary engine coolant (EC) pump relay (J496)
2 Starter Relay (J53)
3 Starter Relay 2 (J695)
4 Engine Component Power Supply Relay (J757)
Relay and fuse holder behind left instrument panel
3 Power Supply Relay (terminal 15) (J329)
Relay and fuse holder in right side of luggage compartment
3 Fuel pump (FP) relay (J17)
4-pin relay carrier in E-box plenum chamber
1 Secondary Air Injection (AIR) Pump Relay (J299)
2 Motronic engine control module (ECM) power supply relay (J271)
Locations
1 Low Fuel Pressure Sensor (G410)
2 Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
3 Throttle Valve Control Module 2 (J544)
4 Throttle valve control module (J338)
After replacing throttle valve control module, an "adaptation" must be done, see "Guided Functions".
Intake Air Switch-Over valve (N335) - 1 -
Engine viewed from rear
1 Low Fuel Pressure Sensor (G410)
2 Engine Coolant Temperature (ECT) Sensor (G62)
Engine Speed (RPM) Sensor (G28) - arrow -
Engine viewed from front
1 Intake Manifold Runner Position Sensor (G336)
2 Variable Intake Manifold Runner Motor (V183)
3 Intake Flap Motor (V157)
4 Secondary air injection (AIR) solenoid valve (N112)
5 Intake Manifold Runner Position Sensor 2 (G512)
6 Oil Pressure Switch (F1)
7 Knock sensor 4 (G199) (blue connector)
8 Knock Sensor 3 (G198) (white connector)
9 Knock Sensor (KS) 1 (G61) (orange connector)
10 Knock Sensor (KS) 2 (G66) (gray connector)
• Intake manifold must be removed in order to remove knock sensors. Refer to => [ Intake Manifold ] Intake Manifold.
Location inside cylinder head
1 Engine Coolant Temperature (ECT) Sensor (G62)
2 Knock Sensor (KS) 4 (G199)
3 Knock Sensor (KS) 3 (G198)
4 Fuel Pressure Sensor (G247)
5 Knock Sensor (KS) 1 (G61)
6 Knock Sensor (KS) 2 (G66)
7 Camshaft Adjustment Valve 1 (N205)
8 Low Fuel Pressure Sensor (G410)
• Intake manifold must be removed to remove Fuel Pressure Sensor (G247) or knock sensors. Refer to => [ Intake Manifold ] Intake Manifold.
Location on right cylinder bank 1
1 Camshaft Adjustment Valve 1 (exhaust) (N318)
2 Camshaft Adjustment Valve 1 (N205)
3 Camshaft Position (CMP) sensor (G40)
4 Camshaft position (CMP) sensor 3 (G300)
Location on left cylinder bank 2
1 Camshaft position (CMP) sensor 4 (G301)
2 Camshaft position (CMP) sensor 2 (G163)
3 Camshaft Adjustment Valve 2 (N208)
4 Camshaft Adjustment Valve 2 (exhaust) (N319)
Oxygen sensors before catalytic converter
1 Heated Oxygen Sensor (HO2S) 4 (G286) with Oxygen Sensor (O2S) 4 Heater (Z63) in front of catalytic converter
2 Heated Oxygen Sensor (HO2S) 2 (G108) with Oxygen Sensor (O2S) 2 Heater (Z28) in front of catalytic converter
Oxygen sensor locations
1 Heated Oxygen Sensor (HO2S) 3 (G285)
2 Oxygen Sensor (O2S) 4 Behind Three Way Catalytic Converter (TWC) (G288)
3 Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131)
4 Oxygen sensor (G39)
Oxygen Sensor (O2S) 3 Behind Three Way Catalytic Converter (TWC) (G287) - arrow -
Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) - arrow -
Secondary Air Injection (AIR) Pump Motor (V101) - arrow - (below right longmember)
