Diesel direct injection system, component locations overview

WARNING: This page is about a different car, the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Components A to D are not shown on the illustration.

Fig 1: Component Locations - Diesel Direct Injection System

Courtesy of VOLKSWAGEN UNITED STATES, INC.

A - Brake pedal switch -F47-

In footwell on brake pedal

B - Brake light switch -F-

In footwell on brake pedal

C - Throttle Position (TP) sensor -G79-

In footwell on accelerator

D - Clutch vacuum vent valve switch -F36-

In footwell on clutch pedal

1 - Variable intake manifold flap

With Motor for intake flap -V157-

2 - EGR vacuum regulator solenoid valve -N18-

3 - Intake Manifold Runner Control (IMRC) valve -N316-

4 - Exhaust gas recirculation (EGR) cooler switch-over valve -N345-

5 - Wastegate bypass regulator valve -N75-

6 - Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-

With Barometric pressure (BARO) sensor -F96-
Replacing, refer to Engine control module

7 - Positive Crankcase Ventilation (PCV) heating element -N79-

8 - Engine Coolant Temperature (ECT) sensor -G62-

For engine control module
With Engine Coolant Temperature (ECT) sensor -G2-.
If necessary, release pressure in cooling system before removing

9 - Mass Air Flow (MAF) sensor -G70-

10 - Connector

For unit injector ( -N240-...-N243- )

11 - Engine speed (RPM) sensor -G28-

12 - Fuel temperature sensor -G81-

13 - Connector

For Camshaft Position (CMP) sensor -G40-

14 - Connector

For Engine speed (RPM) sensor -G28-

15 - Camshaft Position (CMP) sensor -G40-

16 - Manifold Absolute Pressure (MAP) sensor -G71- with Intake Air Temperature (IAT) sensor -G72-