Automotive Diagnostic Systems

Automotive Diagnostic Systems

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Keith McCord recounts the history of automotive onboard diagnostic systems and creation of the rudimentary OBD I systems and the development as well as the evolution of OBD II. Currently, OBD-II (OnBoard Diagnostic II) is the standard of the industry, and this book provides a thorough explanation of this system. It details its main features, capabilities, and characteristics. It shows how to access the port connector on the car, the serial data protocols, and what the serial data means. To understand the diagnostic codes, the numbering system is defined and the table of common DTCs is shown. But most importantly, McCord provides a thorough process for trouble shooting problems, tracing a problem to its root, explaining why DTCs may not lead to the source of the underlying problem, and ultimately resolving the problem.... -All US vehicles must standardize on CAN bus on OBD-II systems known as the generic diagnostic code A paper clip is used to short together ... Ford, Chrysler, Honda, and Nissan introduced their own proprietary diagnostics in 1983. ... At the time, scan tools capable of reading data from this diagnostic port were only available to assembly-line workers to ensure that the ECM was functioning properly.

Title:Automotive Diagnostic Systems
Author:Keith McCord
Publisher:CarTech Inc - 2011


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