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:
a
A means of establishing communications between an OBD-equipped vehicle and external test equipment,
b
A set of diagnostic services to be provided by the external test equipment in order to exercise the services defined in SAE J1979,
c
Conformance criteria for the external test equipment.
| SDO | SAE: SAE International |
| Document Number | J1978 |
| Publication Date | April 30, 2002 |
| Language | en - English |
| Page Count | 16 |
| Revision Level | 200204 |
| Supercedes | |
| Committee |