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ISO 9141-2:1994

Road vehicles — Diagnostic systems — Part 2: CARB requirements for interchange of digital information

Publication date:   Feb 3, 1994

General information

90.93   Standard confirmed   Jul 16, 2026

ISO

ISO/TC 22/SC 31 Data communication

International Standard

43.180   Diagnostic, maintenance and test equipment

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Scope

Is limited to vehicles with nominal 12 V supply voltage. Describes a subset of ISO 9141:1989. Specifies the requirements for setting-up the interchange of digital information between on-board emission-related electronic control units of road vehicles and the SAE OBD II scan tool as specified in SAE J1978. This communication is established to facilitate compliance with California Code of Regulation, Title 13, 1968.1.

Life cycle

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PUBLISHED
ISO 9141-2:1994
90.93 Standard confirmed
Jul 16, 2026

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO 9141-2:1994/Amd 1:1996