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About This Item
Full Description
ISO 14230-2:2016 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.
ISO 14230-2:2016 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, ISO 14230-2:2016 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
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ISO 14230-2:2016
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Road vehicles - Diagnostic communication over K-Line (DoK-Line) - Part 2: Data link layer- Most Recent
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ISO 14230-2:2013
Road vehicles - Diagnostic communication over K-Line (DoK-Line) - Part 2: Data link layer- Historical Version
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ISO 14230-2:1999
Road vehicles -- Diagnostic systems -- Keyword Protocol 2000 -- Part 2: Data link layer- Historical Version