Overview of component locations: Notes

WARNING: This page is about a different variant/trim than selected.

Components A through E are not shown in the exploded view illustration.

Fig 1: Fuel Injection System Component Locations

Courtesy of VOLKSWAGEN UNITED STATES, INC.

A - and Brake light switch -F- Brake pedal switch -F47-

In footwell at brake pedal

B - Data Link Connector

Located in knee bolster on drivers side

C - and Throttle position (TP) sensor -G79- Sender 2 for accelerator pedal position -G185-

In footwell on accelerator pedal (both sensors are integrated into one housing)

D - Warning lamp"MIL"

In instrument cluster

E - Warning lamp"EPC"

In instrument cluster

1 - with Mass Air Flow (MAF) sensor 2 -G246- Intake Air Temperature (IAT) sensor 2 -G299-

For cylinder bank 2 (cylinders 7 to 12)
Removing and installing

NOTE:

The intake channels cross in the center of the intake manifold. The Mass Air Flow (MAF) sensor 2 -G246- on the right side (as seen in driving direction) therefore measures the intake air mass for cylinder bank 2 on the left side (as seen in driving direction). The same applies to the Intake Air Temperature (IAT) sensor 2 -G299-.

2 - Electrical connections for oxygen sensors, from.

3 - Throttle valve control module 2 -J544-

With Throttle drive 2 (power accelerator actuation) -G296-, Angle sensor 1 (on throttle drive 2 power accelerator actuation) -G297- and Angle sensor 2 (on throttle drive 2 power accelerator actuation) -G298-
For cylinder bank 2 (cylinders 7 to 12)
Pay attention to first phrase in above mentioned note

4 - Engine Control Module (ECM) 2 -J624-

In Electronics box in plenum chamber
Mark before disconnecting, to prevent switching with Engine Control Module (ECM) 1

5 - Engine Control Module (ECM) -J623-

In Electronics box in plenum chamber
Mark before disconnecting, to prevent switching with Engine Control Module (ECM) 2

6 - Camshaft Position (CMP) sensor 3 -G300-

For exhaust camshaft
Cylinder bank 1

7 - Camshaft Position (CMP) sensor 2 -G163-

For intake camshaft
Cylinder bank 2

8 - Camshaft Position (CMP) sensor -G40-

For intake camshaft
Cylinder bank 1

9 - Engine speed (RPM) sensor -G28-

10 - Camshaft Position (CMP) sensor 4 -G301-

For exhaust camshaft
Cylinder bank 2

11 - Throttle valve control module -J338-

With Throttle drive (power accelerator actuation) -G186-, Angle sensor 1 for throttle drive (power accelerator actuation) -G187- and Angle sensor 2 for throttle drive (power accelerator actuation) -G188-
For cylinder bank 1 (cylinders 1 to 6)

12 - with Mass Air Flow (MAF) sensor -G70- Intake Air Temperature (IAT) sensor -G42-

For cylinder bank 1 (cylinders 1 to 6)
Removing and installing

NOTE:

The intake channels cross in the center of the intake manifold. The Mass Air Flow (MAF) sensor -G70- on the left side (as seen in driving direction) therefore measures the intake air mass for cylinder bank 1 on the right side (as seen in driving direction). The same applies to the Intake Air Temperature (IAT) sensor -G42-.

13 - Mechanical EGR valve

14 - Mechanical EGR valve

15 - Secondary Air Injection (AIR) pump motor 2 -V189-

For cylinder bank 2
In lower part of air filter housing

16 - Secondary Air Injection (AIR) pump motor -V101-

For cylinder bank 1
In lower part of air filter housing

Oxygen sensor connector

Fig 2: Oxygen Sensors Electrical Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Connector for , before catalytic converter Heated Oxygen Sensor (HO2S) 3 -G285-

Exhaust bank 3 (cylinder 7, 8, 9)
6-pin, black

2 - Connector for , before catalytic converter Heated Oxygen Sensor (HO2S) 4 -G286-

Exhaust bank 4 (cylinder 10, 11, 12)
6-pin, brown

3 - Connector for Oxygen Sensor (O2S) 3 Behind Three Way Catalytic Converter (TWC) -G287-

Exhaust bank 3 (cylinder 7, 8, 9)
4-pin, green

4 - Connector for. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-

Exhaust bank 1 (cylinder 1, 2, 3)
4-pin, black

5 - Connector for. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-

Exhaust bank 2 (cylinder 4, 5, 6)
4-pin, brown

6 - Connector for Oxygen Sensor (O2S) 4 Behind Three Way Catalytic Converter (TWC) -G288-

Exhaust bank 4 (cylinder 10, 11, 12)
4-pin, gray

7 - Connector for , before catalytic converter Heated Oxygen Sensor (HO2S) 2 -G108-

Exhaust bank 2 (cylinder 4, 5, 6)
6-pin, brown

8 - Connector for , before catalytic converter Heated Oxygen Sensor (HO2S) -G39-

Exhaust bank 1 (cylinder 1, 2, 3)
6-pin, black

NOTE:

For this overview, the intake manifold is removed.

Fig 3: Fuel Injection System Component Locations - Intake Manifold Is Removed

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Camshaft adjustment valve 1 (exhaust) -N318-

2 - Intake Valve 1 for camshaft adjustment -N205-

3 - Map controlled engine cooling thermostat -F265-

4 - Fuel pressure regulator

5 - Valve 2 for camshaft adjustment -N208-

6 - Camshaft adjustment valve 2 (exhaust) -N319-

7 - Ignition coils with power output stages, Cylinder bank 2

Ignition Coil 7 with Power Output Stage -N325-
Ignition Coil 8 with Power Output Stage -N326-
Ignition Coil 9 with Power Output Stage -N327-
Ignition Coil 10 with Power Output Stage -N328-

Ignition Coil 11 with Power Output Stage -N329-
Ignition Coil 12 with Power Output Stage -N330-

NOTE:

The number of each cylinder is stamped into the valve cover.

8 - Fuel injectors, Cylinder bank 2

Cylinder 7 Fuel Injector -N85-
Cylinder 8 Fuel Injector -N86-
Cylinder 9 Fuel Injector -N299-
Cylinder 10 Fuel Injector -N300-

Cylinder 11 Fuel Injector -N301-
Cylinder 12 Fuel Injector -N302-

NOTE:

The number of each cylinder is stamped into the valve cover.

9 - Fuel injectors, Cylinder bank 1

Cylinder 1 Fuel Injector -N30-
Cylinder 2 Fuel Injector -N31-
Cylinder 3 Fuel Injector -N32-
Cylinder 4 Fuel Injector -N33-

Cylinder 5 Fuel Injector -N83-
Cylinder 6 Fuel Injector -N84-

10 - Ignition coils with power output stages, 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-

Ignition Coil 5 with Power Output Stage -N323-
Ignition Coil 6 with Power Output Stage -N324-

11 - Right Electro-hydraulic engine mount solenoid valve -N145-

NOTE:

The oxygen sensors, exhaust manifold and primary catalytic converter are shown below.
The engine is equipped with a total of eight oxygen sensors.
To keep the illustration simple, the crankcase and cylinders (number 1 to 12) are only shown in schematic form.
The oxygen sensors, exhaust manifolds and primary catalytic converter are, however, shown as they are installed in the vehicle.
Arrow points in direction of travel.

Fig 4: Primary Catalytic Converters, Cylinders And Exhaust Banks

Courtesy of VOLKSWAGEN UNITED STATES, INC.

I - Primary catalytic converter for cylinders 1, 2, 3; also referred to as -exhaust bank 1-.

II - Primary catalytic converter for cylinders 4, 5, 6; also referred to as -exhaust bank 2-.

III - Primary catalytic converter for cylinders 7, 8, 9; also referred to as -exhaust bank 3-.

IV - Primary catalytic converter for cylinders 10, 11, 12; also referred to as -exhaust bank 4-.

1.1 - with oxygen sensor heater; before catalytic converter Heated Oxygen Sensor (HO2S) -G39-

Exhaust bank 1 (cylinder 1, 2, 3)

1.2 - with oxygen sensor heater Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-

Exhaust bank 1 (cylinder 1, 2, 3)

2.1 - with oxygen sensor heater; before catalytic converter Heated Oxygen Sensor (HO2S) 2 -G108-

Exhaust bank 2 (cylinder 4, 5, 6)

2.2 - with oxygen sensor heater Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-

Exhaust bank 2 (cylinder 4, 5, 6)

3.1 - with oxygen sensor heater; before catalytic converter Heated Oxygen Sensor (HO2S) 3 -G285-

Exhaust bank 3 (cylinder 7, 8, 9)

3.2 - with oxygen sensor heater Oxygen Sensor (O2S) 3 Behind Three Way Catalytic Converter (TWC) -G287-

Exhaust bank 3 (cylinder 7, 8, 9)

4.1 - with oxygen sensor heater; before catalytic converter Heated Oxygen Sensor (HO2S) 4 -G286-

Exhaust bank 4 (cylinder 10, 11, 12)

4.2 - with oxygen sensor heater; after catalytic converter Oxygen Sensor (O2S) 4 Behind Three Way Catalytic Converter (TWC) -G288-

Exhaust bank 4 (cylinder 10, 11, 12)

NOTE:

In the following illustration, the component locations of the knock sensors are only shown in schematic form.
The knock sensors are located on the outer sides of the crankcase, not in the "V" as e.g. on the bi-turbo engine.
The engine is equipped with a total of four knock sensors.
Arrow points in direction of travel.

Fig 5: Cyinder Bank & Knock Sensor

Courtesy of VOLKSWAGEN UNITED STATES, INC.

I - Cylinder bank 1 (cylinders 1 to 6)

II - Cylinder bank 2 (cylinders 7 to 12)

1 - Knock sensor 1 -G61-

Knock sensor 1 detects engine knocks in cylinders 1, 2 and 3.

2 - Knock sensor 2 -G66-

Knock sensor 2 detects engine knocks in cylinders 4, 5 and 6.

3 - Knock sensor 3 -G198-

Knock sensor 3 detects engine knocks in cylinders 7, 8 and 9.

4 - Knock sensor 4 -G199-

Knock sensor 4 detects engine knocks in cylinders 10, 11 and 12.