汽车OBD2相关技术标准

钢铁战士

OBD相关技术标准OBD的相关技术标准主要是由国际标准化组织(ISO)和国际汽车工程师协会(SAE)制定的。这些标准已经被普遍接受，并且仍在不断发展和更新之中。

更多的内容请看：汽车电子技术

ISO/9141
ISO 9141:1989 Road vehicles — Diagnostic digital information
ISO 9141–2:1994 Road vehicles — Diagnostic systems — Part 2: CARB requirements for interchange of digital information
ISO 9141–3:1998 Road vehicles — Diagnostic systems — Part 3: Verification of the communication between vehicle and OBD II scan tool

ISO/14230 Road Vehicles - Diagnostic systems -Keyword Protocol (KWP2000)
14230–1:1999 Part 1: Physical Layer
14230–2:1999 Part 2: Data link layer
14230–3:1999 Part 3: Implementation
14230–4:2000 Part 4: Requirements for emission-related systems

ISO/11898 Road vehicles — Controller area network (CAN)
11898–1:2003 Part 1: Data link layer and physical signalling
11892–2:2003 Part 2: High-speed medium access unit
11898–3:2006 Part 3: Low-speed, fault-tolerant, medium-dependent interface
11898–4:2004 Part 4: Time-triggered communication
ISO 11898–5 Part 5: High-speed medium access unit with low-power mode

ISO/15765 Road vehicles — Diagnostics on Controller Area Networks (CAN)
15765–1:2004 Part 1: General information
15765–2:2004 Part 2: Network layer services
15765–3:2004 Part 3: Implementation of unified diagnostic services (UDS on CAN)
15765–4:2005 Part 4: Requirements for emissions-related systems

ISO/15031 Communication between vehicle and external equipment for emissions-related diagnostics
15031–1:2001 Part 1: General information
15031–2:2004 Part 2: Terms, definitions, abbreviations and acronyms
15031–3:2004 Part 3: Diagnostic connector and related electrical circuits, specification and use
15031–4:2005 Part 4: External test equipment
15031–5:2006 Part 5: Emissions-related diagnostic services
15031–6:2005 Part 6: Diagnostic trouble code definitions
15031–7 Part 7: Data link security

Other OBD related ISO standards
ISO 2575:2000 (Six Eidtion) Road vehicles: Symbols for Controls, Idicators and tell-tales 简介




SAE/J1850
Class B Communications Network Interface (this standard defines the actual J1850 signaling and timings)

SAE/J1930
Electrical/Electronic Systems Diagnostic Terms, Definitions, Abbreviations, and Acronyms—Equivalent to ISO/TR 15031-2:April 30, 2002

SAE/J1962
Diagnostic Connector Equivalent to ISO/DIS 15031-3 december 14, 2001

SAE/J1939
Recommended Practice for a Serial Control and Communications Vehicle

SAE/J1978 OBD II Scan Tool — Equivalent to ISO/DIS 15031-4december 14, 2001
SAE/1979
E/E Diagnostic Test Modes — Equivalent to ISO/DIS 15031-5:April 30, 2002

SAE/J2012
Diagnostic Trouble Code Definitions Equivalent to ISO/DIS 15031-6:April 30, 2002 ISO_logo.png (3.7 KB)
2007-10-22 16:21 SAE_logo.gif (2.72 KB)

marjrh

汽车OBD2相关技术标准主要包括以下几个方面：

一、排放监控：OBD2系统需实时监控车辆排放状态，确保车辆满足国家及地方排放标准。

二、故障诊断：通过特定接口及协议，OBD2系统能够识别并记录车辆故障信息，为维修人员提供准确的诊断依据。

三、数据通信：OBD2采用标准化的通信协议，确保车辆数据在维修工具与车辆之间高效、准确地传输。

四、兼容性：OBD2系统需具备广泛的故障诊断工具兼容性，以便于维修人员进行检测与维护。

总之，汽车OBD2技术标准的制定与实施，对于提高车辆环保性能、保障行车安全具有重要意义。