Design and Function, On-Board Diagnosis System (OBD)

Diagnostics


USA uses Volvo system tester Scan Tool (ST) instead of Volvo Diagnostic key Scan Tool (ST).


Reading Off Using The Volvo System Tester Scan Tool






The Volvo System Tester communicates with the control module using a type of serial communication. This provides more detailed information on the diagnostic trouble codes than does the Volvo Diagnostic Key.