S40 L4-1.9L Turbo VIN 29 B4204T3 (2001)
How to use the wiring diagram
The descriptions below apply in general to all wiring diagrams, although not all sections are necessarily included for this model.
A. Component designation
Every component has a component designation that consists of two parts.
The first part is a type number that describes the type of component in question, for example 3/xx.