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ISO 15031-1:2010(en), Road vehicles — Communication between vehicle and external equipment for emissions-related diagnostics — Part 1: General information and use case definition
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Figure 4 from The Implementation of OBD-II Vehicle Diagnosis System Integrated with Cloud Computation Technology | Semantic Scholar
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ISO 15031-7:2013(en), Road vehicles — Communication between vehicle and external equipment for emissions-related diagnostics — Part 7: Data link security
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On-Board Diagnostics (OBD) – introduction to the Modes of Operation (Diagnostic Services) – x-engineer.org
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