ISO INTERNATIONAL STANDARD 14230-4 First edition 2000-06-01 Road vehicles Diagnostic systems Keyword Protocol 2000 - Part 4: Reguirements for emission-related systems Vehicules routiers - Systemes de diagnostic Protocole Keyword 2000- Partie 4: Exigences pour les systemes relatifs aux émissions Reference number ISO 14230-4:2000(E) Tso @ ISO 2000 Copyright International Organization for Standardization No reproduction or networking permited without license from IHS Not for Resale ISO 14230-4:2000(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. @ISO2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, elec- tronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's mem- ber body in the country of the requester. ISO copyright office Casepostale 56·CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 734 10 79 E-mail [email protected] Web www.iso.ch Printed in Switzerland CyationalganzainStandardizatio @ ISO 2000 - All rights reserved No reproduction or networking permitted without license from IHS Not for Resale ISO 14230-4:2000(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO mittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhasthe right to be represented on that committee. International organizations, governmental and non-governmental, in liai- son with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this part of IsO 14230 may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. International Standard ISO 14230-4 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommit- tee SC 3, Electrical and electronic equipment. IsO 14230 consists of the following parts, under the general title Road vehicles - Diagnostic systems — Keyword Protocol2000: Part 1:Physical layer Part 2: Data link layer Part3:Applicationlayer Part 4:Requirements for emission-related systems Copyrightlntenational Organization for Standardization served ii Not for Resale adizai eworkingmitedwihoutlicenefrmH Not for Resale ISO 14230-4:2000(E) INTERNATIONAL STANDARD Road vehicles Diagnostic systems Keyword Protocol 2000 - Part 4: Requirements for emission-related systems 1 Scope nected vehicle and scan tool when used to comply with on-board diagnostic (OBD) requirements for emission-related test data. This part of ISO 14230 only specifies requirements relative to the Keyword Protocol 2000 for OBD purposes. Com- ISO 14230-3 are applicable for OBD purposes only as explicitly referenced in this part of ISO 14230. 2 N