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Diagnostic Functions (B4204T2 CVVT; 2000): Overview: General

Fig 1: Volvo Scan Tool (ST) Connected To Data Link Connector (DLC)

Courtesy of VOLVO CARS OF NORTH AMERICA.

The control module continuously monitors in and out signals using its own integral diagnostics, the Volvo On Board Diagnostic system. Information on system performance can be read off using the Volvo Scan Tool (ST) connected to the data link connector (DLC).