道路车辆-统一诊断设备(UDS)-第3部分：控制区局域网络(CAN)实施的统一诊断服务(UDSonCAN)

ISO14229

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INTERNATIONAL ISO

STANDARD 14229-3

Provided by IHS under license with ISO

No reproduction or networking permitted without license

from IHS

Not for Resale

First edition

2012-12-01

Road vehicles — Unified diagnostic

services (UDS) —

Part 3:

Unified diagnostic services on CAN

implementation (UDSonCAN)

Véhicules routiers — Services de diagnostic unifiés (SDU)

—

Partie 3: SDU sur l’implémentation du gestionnaire de

réseau de

communication (SDUsurCAN)

Reference number

ISO 14229-3:2012(E)

Provided by IHS under license with ISO

No reproduction or networking permitted without license

from IHS

Not for Resale

Contents Page

Foreword............................................................................................................................................. vii

Introduction ......................................................................................................................................... ix

1 Scope ............................................................................................................................................ 1

2 Normative references ................................................................................................................... 1

3 Terms, definitions and abbreviated terms .................................................................................. 1

3.1 Terms and definitions........................................................................................................... 1

3.2 Abbreviated terms................................................................................................................ 1

4 Conventions ................................................................................................................................. 3

5 Document overview...................................................................................................................... 3

6 Unified diagnostic services implementation on CAN................................................................. 7

6.1 General................................................................................................................................ 7

6.2 UDS on CAN services overview ........................................................................................... 7

6.3 ResponseOnEvent (0x86) service DoCAN implementation requirements ............................. 9

6.4 ReadDataByPeriodicIdentifier (0x2A) service ..................................................................... 13

7 Application layer requirements ................................................................................................. 25

7.1 Application layer services................................................................................................... 25

7.2 Application layer protocol ................................................................................................... 25

7.3 Application layer timing ...................................................................................................... 25

8 Presentation layer requirements ............................................................................................... 25

9 Session layer requirements ....................................................................................................... 25

10 Transport/Network layer interface adaptation .......................................................................... 25

10.1 General information ........................................................................................................... 25

10.2 DoCAN Transport/Network layer interface adaptation ........................................................ 27

11 Data link layer diagnostic implementation requirements ........................................................ 29

11.1 Usage of legislated 11-bit OBD CAN Identifiers for enhanced diagnostics.......................... 29

11.2 Usage of legislated 29-bit OBD CAN Identifiers for enhanced diagnostics.......................... 29

Bibliography ...................................................................................................................................... 31