This document supersedes SAE J1962 200204, and is technically equivalent to ISO/DIS 15031-3: December 14, 2001.
This SAE Recommended Practice: a. Defines the functional requirements for the vehicle electrical/electronic diagnostic connector. These functional requirements are separated into two principal areas: connector location/access and connector design; b. Establishes termainl assignments to conform to either of two categories: Standards or Manufacturer Discretionary. Rationale relative to intent is provided, where applicable, to minimize ambuiguity.