Description
SAE J1939/73_201705 Diagnostics Application Layer defines the SAE J1939 messages to accomplish diagnostic services andidentifies the diagnostic connector to be used for the vehicle service tool interface. Diagnostic messages (DMs) providethe utility needed when the vehicle is being repaired. Diagnostic messages are also used during vehicle operation by thenetworked electronic control modules to allow them to report diagnostic information and self-compensate as appropriate,based on information received. Diagnostic messages include services such as periodically broadcasting active diagnostictrouble codes, identifying operator diagnostic lamp status, reading or clearing diagnostic trouble codes, reading or writingcontrol module memory, providing a security function, stopping/starting message broadcasts, reporting diagnosticreadiness, monitoring engine parametric data, etc. California, EPA, or EU regulated OBD requirements are satisfied witha subset of the specified connector and the defined messages.
Product Details
- Published:
- 05/12/2017
- Number of Pages:
- 193
- File Size:
- 1 file , 1.6 MB
- Redline File Size:
- 2files, 13 MB
