Component Location Overview
Component Location Overview
• The mass airflow sensor (G70) is no longer installed from MY 09. The intake air temperature sensor (G42) is installed on the intake manifold with the manifold absolute pressure sensor (G71).
The following components are not displayed in the component location overview:
manifold absolute pressure sensor:
• Installed location: Below the throttle valve control module (J338).
Accelerator pedal position sensor (G79) / accelerator pedal position sensor 2 (G185) :
• Installed location: In the accelerator pedal.
Leak detection pump (V144) :
• Installed location: Behind the right rear wheel housing liner.
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 ] Fuel Injectors.
2 Camshaft Position Sensor (G40)
3 81 Pin Harness Connector
• Disconnect and connect the connector with the ignition turned off.
• Release to disconnect.
4 Motronic Engine Control Module (J220)
Jetta from MY 05 through 10, Jetta SportWagen (US)/Jetta Wagon (Canada) for MY 09 and Jetta SportWagen (US)/Golf Wagon (Canada) from MY 10:
• Installed location: in the plenum chamber.
• Removing and installing, refer to one of the following:
=> [ Engine Control Module, through 10.08 ] .
=> [ Engine Control Module, from 11.08 ] Engine Control Module, from 11.08.
Jetta from MY 11:
• Installed location: inside the engine compartment on the E-box.
• Removing and installing, refer to => [ Engine Control Module ] Engine Control Module.
5 40 Pin Harness Connector
• Disconnect and connect the connector with the ignition turned off.
• Release to disconnect.
6 Secondary Air Injection Solenoid Valve (N112)
• For the Secondary Air Injection (AIR) system,
• Checking, refer to => [ , Checking ] Secondary Air Injection Solenoid Valve (N112), Checking.
7 Engine Coolant Temperature Sensor (G62)
• If necessary release the pressure in the cooling system before removing.
8 EVAP Canister Purge Regulator Valve 1 (N80)
• Installed position: The arrow points in the direction of flow.
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 Airflow Sensor (G70) with Intake Air Temperature Sensor (G42)
• From MY 09, the mass airflow sensor has been deleted and the intake air temperature sensor is integrated with the manifold absolute pressure sensor on the intake manifold.
11 E-Box, Left Side of the Engine Compartment
• Relay and fuse installed location, refer to.
12 Engine Speed Sensor (G28)
• Secured to the control housing cover.
13 Throttle Valve Control Module (J338)
• Removing and installing, refer to => [ ] Service and Repair.
14 Camshaft Adjustment Valve 1 (N205)
15 Secondary Air Injection Pump Motor (V101)
• Removing and installing, refer to => [ ] Service and Repair.
16 Knock Sensor 1 (G61)
• Installed location, refer to => [ Engine, Rear ] Service and Repair.
17 Knock Sensor 2 (G66)
• Installed location, refer to => [ Engine, Rear ] Service and Repair.
18 Connector
Black, 6-pin
• Contacts are gold plated
• For the heated oxygen sensor before the catalytic converter and the oxygen sensor heater (Z19).
• Installed location: on the bulkhead on the left side.
19 Heated Oxygen Sensor (G39) in Front of the Catalytic Converter
• 55 Nm
• Installed location: in the exhaust manifold.
• Only use hot bolt paste (G 052 118 A3) to grease the threads; do not let the hot bolt paste (G 052 118 A3) get onto the slits of the oxygen sensor body.
20 4 Pin Harness Connector
• For engine codes BGQ and CBUA only.
• Contacts are gold plated
• Black
• For the oxygen sensor in bank 1 center three way catalytic converter and Heater for oxygen sensor center catalytic converter (Z59).
• Installed location, refer to => [ Front Exhaust Pipe with Catalytic Converter ] Front Exhaust Pipe with Catalytic Converter.
21 Oxygen Sensor in Bank 1 Center Three Way Catalytic Converter (G465)
• 55 Nm
• For engine codes BGQ and CBUA only.
• Installed location: in the center catalytic converter.
• Only use hot bolt paste (G 052 118 A3) to grease the threads; do not let the hot bolt paste (G 052 118 A3) get onto the slits of the oxygen sensor body.
22 4 Pin Harness Connector
• Contacts are gold plated
• Brown
• For the oxygen sensor after three way catalytic converter and heater for oxygen sensor 1 after catalytic converter (Z29).
• Installed location, refer to => [ Front Exhaust Pipe with Catalytic Converter ] Front Exhaust Pipe with Catalytic Converter.
23 Oxygen Sensor After Three Way Catalytic Converter (G130)
• 55 Nm
• Installed location: in the rear catalytic converter.
• Only use hot bolt paste (G 052 118 A3) to grease the threads; do not let the hot bolt paste (G 052 118 A3) get onto the slits of the oxygen sensor body.