ISO 14229-3:2022
Road vehicles — Unified diagnostic services (UDS) — Part 3: Unified diagnostic services on CAN implementation (UDSonCAN)
This document specifies an application profile for the implementation of unified diagnostic services (UDS) on controller area network (CAN) in road vehicles.
UDSonCAN references ISO 14229-1 and ISO 14229-2 and specifies implementation requirements of the diagnostic services to be used for diagnostic communication on CAN.
This document specifies
— additional requirements specific to the implementation of UDS on the CAN network, and;
— specific restrictions in the implementation of UDS on the CAN network.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
4.1 Symbols
4.2 Abbreviated terms
5 Conventions
6 Service primitive interface definition
7 Technical requirements overview
8 Application layer
8.1 ISO 14229-1 service primitive parameters
8.2 A_Data.req, A_Data.ind, and A_Data.conf service interface
8.3 UDSonCAN services overview
8.4 A_PDU definition
8.5 ReadDataByPeriodicIdentifier service UDSonCAN implementation requirements
8.5.1 UUDT periodic transmission response message handling
8.5.2 Service interface – UUDT
8.5.3 UUDT service primitive parameters
8.5.4 UUDT message format
8.5.5 Periodic transmission message flow
8.6 Timing parameter definition
8.6.1 Request and response message timing parameter values
8.6.2 Unsolicited response messages
9 Presentation layer
10 Session layer
10.1 Service primitive parameter definition
10.2 S_Data.req, S_Data.ind, and S_Data.conf service interface
11 Transport layer
11.1 USDT service primitive parameters
11.2 T_Data.req, T_Data.ind, and T_Data.conf service interface
11.3 Transport protocol
11.4 T_PDU definition
11.5 DoCAN transport and network layer interface adaptation
11.5.1 Mapping of data link independent service primitives onto CAN data link-dependent service primitives
11.5.2 Mapping of T_PDU onto N_PDU
12 Network layer
12.1 Service primitive parameter definition
12.2 N_Data.req, N_Data.ind, and N_Data.conf service interface
12.3 Network layer services
12.4 N_PDU definition
12.5 N_TAtype service primitive parameter
12.6 Same N_TAtype request and associated response message format
13 Data link layer
13.1 Service primitive parameter definition
13.2 L_Data.req, L_Data.ind, and L_Data.conf service interface
13.3 Usage of ISO 15765-4-defined 11-bit CAN identifiers for enhanced diagnostics
13.4 Usage of ISO 15765-4-defined 29-bit CAN identifiers for enhanced diagnostics
14 Physical layer
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
4.1 Symbols
4.2 Abbreviated terms
5 Conventions
6 Service primitive interface definition
7 Technical requirements overview
8 Application layer
8.1 ISO 14229-1 service primitive parameters
8.2 A_Data.req, A_Data.ind, and A_Data.conf service interface
8.3 UDSonCAN services overview
8.4 A_PDU definition
8.5 ReadDataByPeriodicIdentifier service UDSonCAN implementation requirements
8.5.1 UUDT periodic transmission response message handling
8.5.2 Service interface – UUDT
8.5.3 UUDT service primitive parameters
8.5.4 UUDT message format
8.5.5 Periodic transmission message flow
8.6 Timing parameter definition
8.6.1 Request and response message timing parameter values
8.6.2 Unsolicited response messages
9 Presentation layer
10 Session layer
10.1 Service primitive parameter definition
10.2 S_Data.req, S_Data.ind, and S_Data.conf service interface
11 Transport layer
11.1 USDT service primitive parameters
11.2 T_Data.req, T_Data.ind, and T_Data.conf service interface
11.3 Transport protocol
11.4 T_PDU definition
11.5 DoCAN transport and network layer interface adaptation
11.5.1 Mapping of data link independent service primitives onto CAN data link-dependent service primitives
11.5.2 Mapping of T_PDU onto N_PDU
12 Network layer
12.1 Service primitive parameter definition
12.2 N_Data.req, N_Data.ind, and N_Data.conf service interface
12.3 Network layer services
12.4 N_PDU definition
12.5 N_TAtype service primitive parameter
12.6 Same N_TAtype request and associated response message format
13 Data link layer
13.1 Service primitive parameter definition
13.2 L_Data.req, L_Data.ind, and L_Data.conf service interface
13.3 Usage of ISO 15765-4-defined 11-bit CAN identifiers for enhanced diagnostics
13.4 Usage of ISO 15765-4-defined 29-bit CAN identifiers for enhanced diagnostics
14 Physical layer
Bibliography