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

• SAE/J1930

• SAE/J1962

• SAE/J1939

• SAE/J1978 OBD II Scan Tool — Equivalent to ISO/DIS 15031-4:December 14, 2001
• SAE/1979

• SAE/J2012