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BSI - BS ISO 14230-2 - TC

Tracked Changes (Redline) - Road vehicles — Diagnostic communication over K-Line (DoK-Line) Part 2: Data link layer

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Organization: BSI
Publication Date: 26 February 2020
Status: active
Page Count: 126
ICS Code (Diagnostic, maintenance and test equipment): 43.180
scope:

This document specifies data link layer services tailored to meet the requirements of UART-based vehicle communication systems on K-Line as specified in ISO 14230-1. It has been defined in accordance with the diagnostic services established in ISO 14229-1 and ISO 15031-5, but is not limited to use with them and is also compatible with most other communication needs for in-vehicle networks. The protocol specifies an unconfirmed communication.

The diagnostic communication over K-Line (DoK-Line) protocol supports the standardized service primitive interface as specified in ISO 14229-2.

This document provides the data link layer services to support different application layer implementations like the following:

- enhanced vehicle diagnostics (emissions-related system diagnostics beyond legislated functionality, non-emissions-related system diagnostics);

- emissions-related OBD as specified in ISO 15031, SAE J1979-DA and SAE J2012-DA;

- in addition, this document clarifies the differences in initialization for K-line protocols defined in ISO 9141 and ISO 14230. This is important since a server supports only one of the protocols mentioned above and the client has to handle the coexistence of all protocols during the protocol determination procedure.

Document History

BS ISO 14230-2 - TC
February 26, 2020
Tracked Changes (Redline) - Road vehicles — Diagnostic communication over K-Line (DoK-Line) Part 2: Data link layer
This document specifies data link layer services tailored to meet the requirements of UART-based vehicle communication systems on K-Line as specified in ISO 14230-1. It has been defined in accordance...

References

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