Volvo On-Board Diagnostic (OBD) System

With the appropriate diagnostics tool PC it is possible to:

• read off and erase stored diagnostic trouble codes (DTCs)
• continuously monitor the values and status of the input and output signals for the signals
• activate certain functions
• read off the control module identification.

The following conditions must be met before the Volvo on-board diagnostic (OBD) system is activated:

• the ignition must be on
• the battery voltage must be normal.