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ISO 14230-3:1999

Road vehicles — Diagnostic systems — Keyword Protocol 2000 — Part 3: Application layer

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 14230-3:1999
Document Year: 1999
Pages: 81
Edition: 1
  • ICS:
  • 43.180 Diagnostic, maintenance and test equipment

Life Cycle

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ISO 14230-3:1999
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