ISO 14230-3:1999 PDF

Scope: This part of ISO 14230 specifies the requirements for the Keyword Protocol 2000 data link on which one or several on-vehicle Electronic Control Units are connected to an off-board tester in order to perform diagnostic functions. This part of ISO 14230 specifies the requirements of the implementation of the Diagnostic Services specified in ISO 14229, including — byte-encoding and hexadecimal values for the service identifiers; — byte-encoding for the parameters of the diagnostic service requests and responses; — hexadecimal values for the standard parameters. The vehicle environment to which this part of ISO 14230 applies may consist of a single tester that may be temporarily connected to the on-vehicle diagnostic data link and several on-vehicle Electronic Control Units connected directly or indirectly (see figure 2).

ISO 14230-3:1999 history

1999 ISO 14230-3:1999 Road vehicles - Diagnostic systems - Keyword protocol 2000 - Part 3: Application layer