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SAE J2201
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SAE J2201 1999 Edition, July 1, 1999
Universal Interface for OBD II Scan
Description / Abstract:
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 equipment connector to the
hardware/software of the SAE J1978 OBD II scan tool that will use
this interface to communicate with vehicles for the purpose of
accessing required OBD II functions.
Included in this SAE Recommended Practice are several definitions relating to the interface, and interface functionality evaluation.
Appendix A – Examples include several example interface circuit implementations, 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.
Appendix B – Supporting Documents includes a list of supporting documents for the examples shown in Appendix A.
Included in this SAE Recommended Practice are several definitions relating to the interface, and interface functionality evaluation.
Appendix A – Examples include several example interface circuit implementations, 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.
Appendix B – Supporting Documents includes a list of supporting documents for the examples shown in Appendix A.
SAE J2201 1999 Edition, July 1, 1999
Universal Interface for OBD II Scan