S60 L5-2.4L VIN 64 B5244S6 (2003)
The descriptions below apply in general to all wiring diagrams, although not all sections are necessarily contained.
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.
The second part of the designation is a serial number, for example, x/2.
Combined these give a component designation, for example, 3/2.
At the end there is a list of components, where, with the help of the component designation, you can read off the name of the component, for example,