ISO INTERNATIONAL STANDARD 9141-3 First edition 1998-12-15 Road vehicles Diagnostic systems - Part 3: Verification of the communication between vehicle and OBD Il scan tool Véhiculesroutiers- Systemes de diagnostic Partie 3: Vérification de la communication entre un vehicule et un outil d'analyse OBD II ISO Reference number ISO 9141-3:1998(E) IHSunder Not for Resale ISO 9141-3:1998(E) Contents 1 Scope 2Normativereferences 3 Definitions and abbreviations .. 4General. 4.1 Test procedure overview. 4.1.1 Message structure test... 4.1.2 Initialization test 4.1.3 Physical layer test. 4.2 Test conditions 4.2.1 General test conditions. 4.2 Digital storage oscilloscope requirements..... 4.2.3 Power supply requirements. 4.2.4 Network access device requirements. 5 Message structure test.. 5.1 Purpose 5.2 Equipment 5.3 Test set-up.. .3 5.4Procedure 3 5.4.1 OBD II scan tool. 5.4.2 Vehicle .. 6 Initialization test 6.1 Purpose. 6.2 Equipment 6.3Testset-u ISO1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic International OrganizationforStandardization Case postale 56 . CH-1211 Geneve 20 · Switzerland Internet [email protected] Printed in Switzerland onal Organization for Standardization Not for Res @ ISO ISO 9141-3:1998(E) 6.4Procedure 6.4.1 OBD II scan tool 6.4.2Vehicle 7 Physical layer test 7.1Purpos 7.2 Equipment.. .8 7.3 Procedure 8 7.3.1 OBD II scan tool 7.3.2 Vehicle 10 Annex A (normative) Test set-ups. Annex B (normative) Messages for use in verification test. 15 Annex C (normative) Test parameter values. ..16 Annex D (normative) Network access device (NAD) - Minimum requirements Annex E (informative) Bibliography . 19 ii Copyright Interr nal Organization for Standardization Not for Re: