On-Board Diagnostic systems (OBD) were developed in the 1980s to help technicians diagnose and service the computerized engine systems of modern vehicles. A new generation of these systems is found in 1996 model and newer vehicles. These new systems, regardless of the type of vehicles, now monitor the same components, use the same computer “language” and have the same criteria for evaluating the systems and for indicating the problems to the driver and the repair The OBD system provides drivers with an early warning of malfunctions through a dashboard “Check Engine” light (also known as a Malfunction Indicator Light or MIL). This early warning light not only helps protect the environment, and helps consumers, by identifying minor problems before they become major repair bills.
HOW DOES ADEQ USE OBD?
When it is time for a vehicle equipped with OBD to be tested for emissions, the technician at the test facility simply connects a cable or remote wireless connection to the vehicle’s computer connector. The vehicle connector is usually found under the dash and is known as the DLC (Diagnostic Link Connector). Information stored in the vehicle computer is reported to the emissions-test computer and analyzed. The process is very quick and the report can be given to the technician if necessary to help repair the vehicle.
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Tuesday, July 13, 2010
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