Component Location Overview
Component Location Overview
• The Mass Airflow (MAF) sensor (G70) is no longer installed from MY 2009. The Intake Air Temperature sensor (G42) is installed on the intake manifold with the intake manifold pressure sensor (G71).
The following components are not displayed in the overview
Manifold Absolute Pressure (MAP) sensor (G71)
• Installed location: under the throttle valve control module (J338)
Throttle Position (TP) sensor (G79)/accelerator pedal position sensor 2 (G185)
• Installed location: inside the accelerator pedal
Leak Detection Pump (LDP) (V144)
• Installed location: under the right rear wheel housing liner in the right rear wheel housing
Clutch position sensor (G476)
• Only for vehicles with a manual transmission
• Installed location: on the clutch master cylinder
1 Fuel Injector (N30, N31, N32, N33, N83)
• Removing and installing, refer to => [ Fuel Injectors ] Service and Repair.
2 Camshaft Position (CMP) Sensor (G40)
3 81 Pin Connector
• Disconnect and connect the connector with the ignition switched off.
• Release to disconnect.
4 Engine Control Module (ECM) (J623)
• Installed location: inside the plenum chamber.
5 40 Pin Connector
• Disconnect and connect the connector with the ignition switched off.
• Release to disconnect.
6 Secondary Air Injection (AIR) Solenoid Valve (N112)
• For the AIR system.
• Checking, refer to => [ Secondary Air Injection Solenoid Valve, Checking ] Secondary Air Injection Solenoid Valve, Checking.
7 Engine Coolant Temperature (ECT) Sensor (G62 )
• If necessary release pressure in the cooling system before removing.
8 Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)
• Installed position: the arrow points in the flow direction.
9 Ignition Coil with Power Output Stage (N70, N127, N291, N292, N323)
• Removing and installing, refer to => [ Ignition Coils with Power Output Stages ] Service and Repair.
10 Mass Air Flow (MAF) Sensor (G70) with Intake Air Temperature (IAT) Sensor (G42)
• The MAF sensor is no longer installed from MY 2009. The intake air temperature sensor is installed on the intake manifold with the intake manifold pressure sensor.
11 E-box, in Engine Compartment, Left Side
Component location of:
• AIR pump relay (J299), refer to.
• Fuel Pump (FP) relay (J17), refer to.
• Power supply relay (terminal 30, B+) (J317), refer to.
• Power supply relay (terminal 15) (J329), refer to.
• Fasteners
12 Engine Speed (RPM) Sensor (G28)
• Secured to control housing cover.
13 Throttle Valve Control Module (J338)
• Removing and installing, refer to => [ Throttle Valve Control Module ] Service and Repair.
14 Camshaft Adjustment Valve 1 (N205)
15 Secondary Air Injection (AIR) Pump Motor (V101 )
• Removing and installing, refer to => [ Secondary Air Injection Pump Motor ] Service and Repair.
16 Knock Sensor (KS) 1 (G61)
• Component location, refer to => [ Engine Assembly Overview, Rear ] Engine Component Overview.
17 Knock Sensor (KS) 2 (G66)
• Component location, refer to => [ Engine Assembly Overview, Rear ] Engine Component Overview.
18 6 Pin Harness Connector
• Contacts are gold plated.
• Black
• For Heated Oxygen Sensor (HO2S) before Three Way Catalytic Converter (TWC) (G39) and Oxygen Sensor (O2S) heater (Z19)
• Installed location: on the left side of the plenum chamber bulkhead.
19 HO2S before TWC (G39)
• 55 Nm
• Installed location: inside the exhaust manifold.
• Only use hot bolt paste to grease the threads; do not let paste get onto the slits of the oxygen sensor body.
20 4 Pin Harness Connector
• Only with engine codes BGQ and CBUA.
• Contacts are gold plated.
• Black
• For Oxygen Sensor (O2S) in center Three Way Catalytic Converter (TWC), Bank 1 (G465) and Oxygen Sensor (O2S) heater - center Three Way Catalytic Converter (TWC) (Z59).
• Component location, refer to => [ Front Exhaust Pipe with Catalytic Converter ] Front Exhaust Pipe With Catalytic Converter.
21 O2S in Center TWC, Bank 1 (G465)
• 55 Nm
• Only with engine codes BGQ and CBUA.
• Installed location: inside the center catalytic converter.
• Only use hot bolt paste to grease the threads; do not let the paste get onto the slits of the oxygen sensor body.
22 4 Pin Harness Connector
• Contacts are gold plated.
• Brown
• For Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) (G130) and Oxygen Sensor (O2S) heater 1 (behind TWC) (Z29)
• Component location, refer to => [ Front Exhaust Pipe with Catalytic Converter ] Front Exhaust Pipe With Catalytic Converter.
23 O2S Behind TWC (G130)
• 55 Nm
• Installed location: inside the rear catalytic converter.
• Only use hot bolt paste to grease the threads; do not let the paste get onto the slits of the oxygen sensor body.
AIR Pump Relay
• In E-box, engine compartment, at lower right - 1 -
Power Supply Relay (Terminal 30, B+)
• In E-box, engine compartment - 1 -
FP Relay
• In E-box, engine compartment - 2 -
Power Supply Relay (Terminal 15)
• In E-box, engine compartment - 3 -