ISO 17458-3-2013 PDF

Full title and description

Road vehicles — FlexRay communications system — Part 3: Data link layer conformance test specification. This part of ISO 17458 defines the conformance test methods and requirements used to verify that FlexRay communication controllers implement the data link layer behavior specified in ISO 17458-2 and meet the testability requirements needed to perform conformance testing.

Abstract

ISO 17458-3:2013 specifies the FlexRay protocol conformance test for the data link layer. The document provides test cases, test procedures, and testability requirements to verify that FlexRay communication controllers conform to the data link layer specification in ISO 17458-2. It also defines the expected test environment, interfaces for the implementation under test (IUT), and criteria for pass/fail decisions.

General information

• Status: Published (International Standard; confirmed stage).
• Publication date: 21 January 2013 (Edition 1, 2013).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 43.040.15 (Car informatics / onboard computer systems).
• Edition / version: Edition 1 — 2013.
• Number of pages: 865 pages.

Scope

This part of ISO 17458 specifies the conformance test suite for the FlexRay data link layer. It is intended to verify that FlexRay communication controllers (the implementation under test) conform to the behavioral and timing requirements given in ISO 17458-2. The scope includes test definitions, required test environment and interfaces, testability requirements (notably clauses referenced like 6.2.2.3 and 6.6), and the procedures to execute and judge the results of conformance tests. The standard references ISO 17458-2 for normative protocol details and ISO 17458-4 for related physical-layer considerations.

Key topics and requirements

• Test case specifications for data link layer behaviors: frame formats, timing, scheduling, synchronous and asynchronous transfers.
• Test procedures for clock synchronization, symbol timing, and jitter/latency measurement.
• Definitions of the Implementation Under Test (IUT) interface and test harness requirements.
• Testability requirements and preconditions that controllers must meet to be testable (reference to specific clauses in the standard).
• Pass/fail criteria, test result reporting, and repeatability/traceability requirements.
• Normative references and cross-references to ISO 17458-2 (data link layer specification) and ISO 17458-4 (electrical physical layer specification).

Typical use and users

Used primarily by automotive communication engineers, ECU and subsystem suppliers, test-house laboratories, OEM validation teams, and conformance/certification bodies to validate FlexRay controllers and firmware against the ISO data link layer specification. It is also used by standards developers and tool vendors who supply conformance-test equipment and test automation suites.

Related standards

Part of the ISO 17458 series for FlexRay; closely related parts include ISO 17458-1 (general information and use cases), ISO 17458-2 (data link layer specification), ISO 17458-4 (electrical physical layer specification) and ISO 17458-5 (electrical physical layer conformance test specification). Implementers typically consider other automotive networking standards (for example CAN/CAN FD standards) when integrating multi-bus systems.

Keywords

FlexRay, data link layer, conformance test, protocol testing, ECU, automotive network, ISO 17458, testability, clock synchronization, frame timing.

FAQ

Q: What is this standard?

A: ISO 17458-3:2013 is the conformance test specification for the FlexRay communications system's data link layer: it defines test cases, procedures and requirements to verify that FlexRay controllers implement ISO 17458-2 correctly.

Q: What does it cover?

A: It covers test definitions and procedures for data link layer functions (synchronous/asynchronous frame transfer, timing, synchronization, error handling), test environment and IUT interfaces, testability prerequisites, and pass/fail criteria for conformance testing.

Q: Who typically uses it?

A: Automotive systems engineers, ECU suppliers, OEM validation groups, independent test laboratories, and certification bodies use this standard to validate and certify FlexRay controller implementations. Test-equipment and test-software vendors also use it to build conformance test tools.

Q: Is it current or superseded?

A: ISO 17458-3 was published in 2013 (Edition 1). The ISO lifecycle for the document indicates periodic review; the document is listed as published and subject to ISO five-year review cycles. Users should check their national or ISO catalog for the latest confirmation or revision status before relying on it for conformance activities.

Q: Is it part of a series?

A: Yes — ISO 17458 is a multipart series covering FlexRay. ISO 17458-1 gives general information and use cases, -2 defines the data link layer, -3 is the data link layer conformance test (this document), -4 covers the electrical physical layer, and -5 addresses physical-layer conformance testing.

Q: What are the key keywords?

A: FlexRay, data link layer, conformance, test specification, automotive networking, ECU, protocol verification, ISO 17458.