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ISO 15765-2, Road vehicles - Diagnostic(2) communication over Controller Area Network (DoCAN) - Part 2: Transport protocol and network layer services

Last updated at 2024-08-10Posted at 2022-02-07

ISO 15765-2, Road vehicles - Diagnostic communication over Controller Area Network (DoCAN) - Part 2: Transport protocol and network layer services
https://www.iso.org/standard/66574.html

<この項は書きかけです。順次追記します。>
This article is not completed. I will add some words in order.

2 Normative references

ISO/IEC 7498-1, Information technology — Open Systems Interconnection — Basic Reference Model: The Basic Model — Part 1
ISO 11898-1:20152, Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical signalling

3 Terms, definitions and abbreviated terms

3.1 Terms and definitions

3.1.1 CAN frame data length, CAN_DL

physical length of CAN frame data/payload in bytes
Note 1 to entry: See Table 3.

3.1.2 transmit data link layer data length, TX_DL

configures the maximum usable payload length in bytes of the data link layer in the transmitter for the application that implements the network layer as defined in this part of ISO 15765
Note 1 to entry: The TX_DL is a fixed configuration value on the sender side for the PDU transmission.

3.1.3 Received data link layer data length, RX_DL

retrieved maximum usable payload length in bytes of the data link layer in the receiver for the application that implements the network layer as defined in this part of ISO 15765
Note 1 to entry: The RX_DL value is retrieved from the FirstFrame (FF) CAN_DL of a segmented PDU and is used to verify the correct data length of ConsecutiveFrames (CF).

3.2 Abbreviated terms

For the purposes of this part of ISO 15765, the following abbreviated terms apply.
BRS bit rate switch
BS BlockSize
CAN controller area network
CAN_DL CAN frame data link layer data length in bytes
CAN FD controller area network with flexible data rate and larger payload as defined in ISO 11898-1
CLASSICAL CAN controller area network with static data rate and up to 8 data bytes as defined in ISO 11898-1
CF ConsecutiveFrame
CTS continue to send
DLC CAN frame data link layer data length code
DoCAN diagnostic communication over CAN
ECU electronic control unit
FC FlowControl
FF FirstFrame
FF_DL FirstFrame data length in bytes
FMI failure mode indicator
FS FlowStatus
Mtype message type
N/A not applicable
N_AE network address extension
N_AI network address information
N_Ar network layer timing parameter Ar
N_As network layer timing parameter As
N_Br network layer timing parameter Br
N_Bs network layer timing parameter Bs
N_ChangeParameter network layer service name
N_Cr network layer timing parameter Cr
N_Cs network layer timing parameter Cs
N_Data network data
N_PCI network protocol control information
N_PCItype network protocol control information type
N_PDU network protocol data unit
N_SA network source address
N_SDU network service data unit
N_TA network target address
N_TAtype network target address type
N_USData network layer unacknowledged segmented data transfer service name
NW network
NWL network layer
OBD on-board diagnostics
OSI Open Systems Interconnection
PCI protocol control information
RX_DL received data link layer data length in bytes
SF SingleFrame
SF_DL SingleFrame data length in bytes
SN SequenceNumber
SPN suspect parameter number
STmin SeparationTime minimum
TX_DL transmit data link layer data length in bytes
UDS unified diagnostic services
WWH-OBD world-wide harmonized OBD

Bibliography

[1] ISO/IEC 10731, Information technology — Open Systems Interconnection — Basic Reference Model — Conventions for the definition of OSI services
[2] ISO 11898-2, Road vehicles — Controller area network (CAN) — Part 2: High-speed medium access unit
[3] ISO 11898-3, Road vehicles — Controller area network (CAN) — Part 3: Low-speed, fault-tolerant, medium-dependent interface
[4] ISO 11898-4, Road vehicles — Controller area network (CAN) — Part 4: Time-triggered communication
[5] ISO 11898-5, Road vehicles — Controller area network (CAN) — Part 5: High-speed medium access unit with low-power mode
[6] ISO 11898-6, Road vehicles — Controller area network (CAN) — Part 6: High-speed medium access unit with selective wake-up functionality
[7] ISO 14229-1, Road vehicles — Unified diagnostic services (UDS) — Part 1: Specification and requirements
[8] ISO 14229-2, Road vehicles — Unified diagnostic services (UDS) — Part 2: Session layer services
[9] ISO 14229-3, Road vehicles — Unified diagnostic services (UDS) — Part 3: Unified diagnostic services on CAN implementation (UDSonCAN)
[10] ISO 15031-2, Road vehicles — Communication between vehicle and external equipment for emissions-related diagnostics — Part 2: Guidance on terms, definitions, abbreviations and acronyms
[11] ISO 15031-5, Road vehicles — Communication between vehicle and external equipment for emissions-related diagnostics — Part 5: Emissions-related diagnostic services
[12] ISO 15031-6, Road vehicles — Communication between vehicle and external equipment for emissions-related diagnostics — Part 6: Diagnostic trouble code definitions
[13] ISO 15765-1, Road vehicles — Diagnostic communication over Controller Area Network (DoCAN) — Part 1: General information and use case definition
[14] ISO 15765-4, Road vehicles — Diagnostic communication over Controller Area Network (DoCAN) — Part 4: Requirements for emissions-related systems
[15] ISO 27145-2, Road vehicles — Implementation of World-Wide Harmonized On-Board Diagnostics (WWH-OBD) communication requirements — Part 2: Common data dictionary
[16] ISO 27145-3, Road vehicles — Implementation of World-Wide Harmonized On-Board Diagnostics (WWH-OBD) communication requirements — Part 3: Common message dictionary
[17] ISO 27145-4, Road vehicles — Implementation of World-Wide Harmonized On-Board Diagnostics (WWH-OBD) communication requirements — Part 4: Connection between vehicle and test equipment
[18] SAE J1930, Electrical/Electronic Systems Diagnostic Terms, Definitions, Abbreviations and Acronyms
[19] SAE J1939:2011, Serial Control and Communications Heavy Duty Vehicle Network — Top Level Document
[20] SAE J1939-73:2010, Application layer — Diagnostics
[21] SAE J1979, E/E Diagnostic Test Modes
[22] SAE J2012, Diagnostic Trouble Code Definitions

参考資料

@kazuo_reve 自動車の故障診断に関連するプログラマーになりたての方が参照するとよさそうな情報
https://qiita.com/kazuo_reve/items/f773b320dcbf2ab316da

@kazuo_reve AUTOSARのClassic PlatformとAdaptive PlatformにおけるDiagnosticsの違いを整理
https://qiita.com/kazuo_reve/items/05c179d705c69286b94a

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自己参照

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ISO 14229-1:2020 Road vehicles — Unified diagnostic services (UDS) — Part 1: Application layer
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国際規格のNormative Reference
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@kazuo_reveさんの「自動車の故障診断に関連するプログラマーになりたての方が参照するとよさそうな情報」の読み方
https://qiita.com/kaizen_nagoya/items/3231d9fea536d1b9b1f7

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https://qiita.com/kaizen_nagoya/items/d3ff6aba9b7402e8bde8

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