2013年2月23日星期六

This can be opposed to scanners employed principally for active fault diagnosis

OBD II isn't any more time only utilized by pros and hobbyists to fix autos. OBD II facts is commonly made use of by motor vehicle telematics products that complete fleet tracking, keep track of fuel efficiency, prevent unsafe driving, also as for distant diagnostics and by Pay-As-You-Drive insurance. Although originally not meant for that over purposes, normally supported OBD II data this kind of as Car Speed, RPM, and Gas Degree permit GPS based fleet monitoring gadgets to monitor vehicle idling occasions, speeding, and over-revving. By checking OBD II DTCs an organization can know straight away if 1 of its cars has an engine issue and by decoding the code the character on the dilemma. OBD II is additionally monitored to block cellular phones when driving and to document trip information for insurance coverage functions.

Researchers in the University of Washington and University of California examined the security all over OBD, and observed they had been in a position to gain handle above many car components through the interface. In addition, they were ready to upload new firmware to the engine control models. Their conclusion is the fact that motor vehicle embedded methods are certainly not intended with safety in thoughts.

 This is certainly opposed to scanners employed principally for lively fault prognosis, tuning, or hidden data logging.
Automobile lovers have traditionally set up supplemental gauges this kind of as manifold vacuum, battery existing and so on. The OBD typical interface has enabled a whole new generation of fanatic instrumentation accessing the complete array of motor vehicle information utilized for diagnostics, and derived information such as instantaneous fuel economic climate.
Instrumentation could consider the kind of focused trip personal computers, carputer or interfaces to PDAs,smartphones, or maybe a Garmin navigation device.
As being a carputer is basically a Computer, the exact same software program might be loaded as for PC-based scan tools and vice-versa, and so the difference is just while in the reason for use of the software package.
These enthusiast systems may also contain some performance similar to the other scan tools.

There have been reports of thieves working with expert OBD reprogramming units to enable them to steal automobiles without the need of using a vital.The primary causes of this vulnerability lie within the inclination for car manufacturers to extend the bus for functions besides these for which it had been made, as well as insufficient authentication and authorization from the OBD specs, which rather rely mostly on security as a result of obscurity.

Inside the U.s., lots of states now use OBD-II screening in place of tailpipe screening in OBD-II compliant motor vehicles (1996 and more recent). Considering the fact that OBD-II retailers difficulty codes for emissions tools, the tests laptop or computer can question the vehicle's onboard laptop or computer and confirm there aren't any emission connected trouble codes and that the motor vehicle is in compliance with emission standards for the design year it was produced.
In the Netherlands, 2006 and later cars get a annually EOBD emission test.

没有评论:

发表评论