On-Highway Equipment Control and Communication Network
SAE J1939-01 On-Highway Equipment Control and Communication Network specifies the minimum set of SAE J1939 documents that define the Truck and Bus Control and Communications Vehicle Network as it applies to on-highway equipment. Vehicles covered include all on-highway straight trucks and road trains. A road train consists of one towing vehicle (tractor) and one or more towed vehicles (trailers and dollies). Dolly axles within the road train are considered to be towed vehicles.
Rationale: This document has been updated to more accurately describe the SAE J1939 network as typically used in heavy duty on-highway vehicle applications. References to the relevant SAE J1939 documents published since 2000 have also been included. The previous version included an extensive section on the use of SAE J1939 in an ITS implementation. That application has not materialized in industry as originally foreseen, thus that section has been removed from this revision.
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