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SAE J 1939-5-2020
Marine Stern Drive and Inboard Spark-Ignition Engine On-Board Diagnostics Implementation Guide
This document describes the application of the SAE J1939 recommended practices for compliance with on-board diagnostic malfunction detection system requirements for marine sterndrive and inboard spark ignition engines, as mandated by the California Air Resources Board (CARB). These Otto-cycle engines are not derived from automotive diesel-cycle engines.
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Society of Automotive Engineers [sae]