ISO INTERNATIONAL STANDARD 27145-3 First edition 2012-08-15 Road vehicles lImplementation of World-Wide Harmonized On-Board Diagnostics (wwH-OBD) communication requirements - Part 3: Common message dictionary Vehicules routiers -Mise en application des exigences de communication pour le diagnostic embarqué harmonisé a I'échelle mondiale (WWH-OBD) - Partie 3: Dictionnaire de messages communs Reference number ISO 27145-3:2012(E) ISO @ISO2012 r networking permitted without license from IHS Not for Resale ISO 27145-3:2012(E) COPYRiGHTPROTECTEDDOCUMENT ? ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 - All rights reserved Not for Resale ISO 27145-3:2012(E) Contents Page Foreword ..iv 0 Introduction 0.1 Overview... 0.2 SAE document reference concept. 0.3 SAE digital annex revision procedure vi 1 Scope.. 2 Normative references Terms, definitions and abbreviated terms.. 3.1 Terms and definitions.. 3.2 Abbreviated terms 4 Conventions. 3 5 Document overview. 3 6 Unified diagnostic services (UDS) applicable to WWH-OBD. 6.1 General. 6.2 UDS on WWH-OBD overview. 6.3 Electronic control unit (EcU) response message length too long 5 6.4 Message byte order.. 5 6.5 ReadDataByldentifier (0x22) service. 6 6.6 ReadDTCInformation (Ox19) service ... 6 6.7 ClearDiagnosticlnformation (0x14) service. 14 6.8 RoutineControl (Ox31) service ... 15 < Application layer requirements 15 7.1 Application layer services. 15 7.2 Application layer protocol. 16 7.3 Addressing and timing requirements .16 8 Presentation layer requirements ..25 6 Session layer requirements ..25 Annex A (informative) wwH-OBD-related unified diagnostic service examples .26 Bibliography .44 ili ed without license from IHS Not for Resale