ISO INTERNATIONAL STANDARD 26021-1 Second edition 2022-02 Road vehicles End-of-life activation of in-vehicle pyrotechnic devices Part 1: Application and communication interface Vehicules routiers - Activation de fin de vie des dispositifs pyrotechniques embarqués- Partie 1: Interface des couches application et communication Reference number IS0 26021-1:2022(E) ISO @IS02022 IS0 26021-1:2022(E) COPYRIGHT PROTECTED DOCUMENT IS02022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may the internet or an intranet, withoutpriorwrittenpermission.Permission can be requested from eitherIso at the addressbelow or Iso's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214Vernier,Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org PublishedinSwitzerland i @ IS0 2022 - All rights reserved IS0 26021-1:2022(E) Contents Page Foreword ..vii Introduction. ..viii 1 Scope. 1 2 Normative references .1 3 Terms and definitions. .2 4 Symbols and abbreviated terms. .3 4.1 Symbols. .3 4.2 Abbreviated terms .3 5 Conventions .5 6 Basic principles and use cases overview .5 6.1 Basic principles .5 6.2 Use case groups and associated use cases. 6 7 Use cases definition (UC) 7 7.1 UcG 1 - Perform communication interface discovery 7 7.1.1 UC 1.1 - Discover DoCAN communication interface .7 7.1.2 UC 1.2 - Discover DolP communication interface. 7 7.2 UCG-2 - Perform authentication. 7 7.2.1 UC 2.1 - Perform PDT authentication. 7 7.2.2 UC 2.2 - Perform fixed-address PCU/PCU(s) authentication .8 7.3 UCG 3 - Perform system initialisation (Sys-Init) .8 7.3.1 UC 3.1 - Report PCU hardware deployment method .8 7.3.2 UC 3.2 - Report number of PCU(s) 9 7.3.3 UC 3.3 - Report address information of PCU(s) 9 7.3.4 UC 3.4 - Report vehicle identification number .9 7.3.5 UC 3.5 - Report dismantling documentation of PCU 10 7.4 UCG 4 - Perform PCU initialisation (PCU-Init) 10 7.4.1 UC 4.1 - Report PCU deployment loop identification table 10 7.4.2 UC 4.2 - Initiate safetySystemDiagnosticSession. 11 7.4.3 UC 4.3 - Keep-alive safetySystemDiagnosticSession 11 7.4.4 UC 4.4 - Unlock security of PCU. 12 7.4.5 UC 4.5 - Execute PCU(s) scrapping program module loader 12 7.5 UCG 5 - Perform PCU and ACL sequence (PCU- and ACL-Scrapping) 13 7.5.1 UC 5.1 - Report ACL deployment sequence (ACL-Init) .13 7.5.2 UC 5.2 - Write dismantling documentation into PCU (Device-Deploy) 13 7.5.3 UC 5.3 - Perform ACL deployment confirmation sequence (Device-Deploy). 7.5.4 UC 5.4 - Perform PCU pyrotechnic device scrapping via loop identification (Device-Deploy) .14 7.6 UCG 6 - Terminate PCU pyrotechnic device deployment (PCU-End) 15 7.6.1 UC 6.1 - Terminate PCU pyrotechnic device scrapping via communication interface... .15 7.6.2 UC 6.2 - Terminate PCU pyrotechnic device scrapping via ACL .15 8 Application (APP). ..16 8.1 APP - Preconditions of end-of-life activation of pyrotechnic devices .16 8.2 APP - Overview of end-of-life activation of pyrotechnic devices sequence. .17 8.3 APP - Software provisions. 19 8.3.1 APP - Scrapping program module (SPM) 19 8.3.2 APP - Scrapping program module loader (SPL) 19 8.3.3 APP - PCU loop identification table 19 8.4 APP - Mapping of use cases to requirements. 20 8.5 APP - Application timing definition. 21 8.6 APP - Discovery of communication interface (Com I/F-Discovery) 22 @ IS0 2022 - All rights reserved ii IS0 26021-1:2022(E) 8.6.1 APP - Overview of discovery of communication interface (Com-Discovery) .22 8.6.2 APP - Setup DoCAN communication interface. ..22 8.6.3 APP - Setup DoIP communication interface.. ..24 8.6.4 APP - Determination of DoCAN or DoIP communication interface in the vehicle 25 8.7 APP - Perform authentication - Optional (Sys-Auth) .26 8.7.1 APP - Overview of the authentication - Optional (Sys-Auth) 26 8.7.2 APP - PDT authentication against fixed-address PCU - Optional (Sys-Auth) 26 8.7.3 APP - Fixed-a