SAE J1939-13 specifies the diagnostic connectors used for off-board connection to a vehicle’s SAE J1939 communication
links. The defined diagnostic connectors support connection to the twisted shielded pair media (SAE J1939-11), the
Reduced Physical Layer unshielded twisted pair (SAE J1939-15), the unshielded twisted pair of SAE J1939-14, as well as
the twisted unshielded quad media (ISO 11783-2).
Rationale: This revision adds a new keyed connector Type 2 (Green) which is color coded and is defined to provide a backward compatible tool interface when the tool is designed to support either 250 Kbps or 500 Kbps vehicle networks. This revision also marks pins F and G as limited to SAE J1708 and CAN 1 Mbps or lower and is reserved for type 2 connectors. An envelope of the required space for mating connectors has been defined, as well as mating force requirements.
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