LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2012 >> XC90 R-Design, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Electronic Modules - Design And Function >> Diagnosis (2003-2014) >> Background >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis (2003-2014): Background: Notes

GENERAL 

Factors that have improved safety, increased comfort, added functions and increased environmental friendliness, have made modern vehicles more and more complicated.

The more complicated the vehicle is, the more important is the diagnostics system in the vehicle with the diagnostics tool when it comes to ensuring fast, safe and economic test, service and repair.

To reduce emissions from the vehicle, the diagnostic systems shall also, according to legislation, detect emission-influencing problems as well as defects that may cause follow-up damage on emission-related components.