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1 ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

1 2016

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Problems of searching for failures and interpretation of error codes (DTCs) in modern vehicles

Sumorek A., Buczaj M.

ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

2016

Vol. 5, No 3

27-34

Volkswagen model launched in 1968 is deemed as the first motor vehicle provided with on-board diagnostics functions. However, the introduction of systems for the monitoring of vehicle sub-assemblies contributing to emission levels in all vehicles was enforced by environmental protection requirements. The California Air Resources Board (CARB) introduced the necessity to use the basic functions of on-board diagnostics (OBD) in all the motor vehicles sold in California since 1991. The article presents the results of practical tests in the scope of on-board diagnostics for “premium” class vehicle. The tests were carried out by means of 4 diagnostic interfaces. Data volume obtained from motor vehicles varied depending on the applied device, although OBD II standards should be introduced in an identical manner by the manufacturers of motor vehicles and diagnostic devices.