Standard
EXPANDED DIAGNOSTIC PROTOCOL FOR OBD II SCAN TOOLS
1994-06-01
HISTORICAL
J2205_199406
This SAE Recommended Practice defines the Expanded Diagnostic Protocol (EDP), the requirements for the SAE J1978 OBD II Scan Tool for supporting the EDP protocol, and associated requirements for diagnosis and service information to be provided by motor vehicle manufacturers. Appendix A includes worked examples of the use of the protocol.