July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Section 4 (Engine Controls - System/Component Tests - 2.5L Diesel)

WARNING: This page is about a different car, the 1992 Mercedes-Benz 300D. However, it is still accessible from the selected car via links, so may be relevant.

Introduction
Boost Pressure Control
EGR System
Idle Speed Control
Component Locations