Browse Standards J1978_200204
Current REVISED 2002-04-30

OBD II Scan Tool — Equivalent to ISO/DIS 15031-4:December 14, 2001 J1978_200204

This SAE Recommended Practice supersedes SAE J1978 FEB1998, and is technically equivalent to ISO/DIS 15031-4:December 14, 2001.
This document is intended to satisfy the requirements of an OBD scan tool as required by U.S. On-Board Diagnostic (OBD) regulations.
The document specifies:
  1. a
    A means of establishing communications between an OBD-equipped vehicle and external test equipment,
  2. b
    A set of diagnostic services to be provided by the external test equipment in order to exercise the services defined in SAE J1979,
  3. c
    Conformance criteria for the external test equipment.
J1978_200204
2002-04-30
Latest
Revised
J1978_199802
1998-02-01
Historical
Revised
J1978_199406
1994-06-01
Historical
Revised
J1978_199203
1992-03-01
Historical
Issued

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