Road Vehicles - Diagnostic Systems - Part 2: CARB Requirements for Interchange of Digital Information
|Publication Date:||1 December 1996|
|ICS Code (Diagnostic, maintenance and test equipment):||43.180|
This part of IS0 9141 describes a subset of IS0 9141:1989. It specifies the requirements for setting up the interchange of digital information between on-board emission-related Electronic Control Units (ECUs) 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, Malfunction and Diagnostic Systems Requirements, 1994 and subsequent model year passenger cars, light-duty trucks, and medium duty vehicles with feedback fuel control systems.
This part of IS0 9141 is limited to vehicles with nominal 12 V supply voltage.