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SAE J2201 (JUL1999)

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Universal Interface for OBD II Scan

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SAE J1978 defines the requirements of the OBD II scan tool. SAE J2201 defines the minimum requirements of the vehicle communications interface for the SAE J1978 OBD II scan tool. This interface connects the SAE J1962 test requirement connector to the hardware/software of the SAE J1978 OBD II scan tool that will use this interface to communicate with vehicles for thr pupose of accessing required OBD II functions. Included in this SAE Recommended Practice are several definitions relating to the interface, and interafce functionality evaluation. Appendix A—Examples include several example interface circuit implementation, which are believed to meet the requirements of this document and of SAE J1978. These examples are NOT requirements of this document. They are provided to assist circuit designers in developing interface circuits. Appenidx B—Supporting Documents includes a list of supporting documents for the examples shown in Appendix A.

SDO SAE: SAE International
Document Number J2201
Publication Date July 20, 1999
Language en - English
Page Count 44
Revision Level 199907
Supercedes
Committee
Publish Date Document Id Type View
July 20, 1999 J2201_199907 Revision
June 1, 1993 J2201_199306 Revision