February 09, 2017
How Do OBD-II Scanners Work?
Since Obd ii scanner are standardized, OBD-II scanners are relatively simple to use. They all use the same connector, which is defined by SAE J1962. Basic scan tools function by simply inserting a universal plug into the OBD-II diagnostic connector in a vehicle. Some advanced scan tools also include keys or modules that augment the universal connector in order to access or interact with OEM-specific information or controls.
In order to be a really useful car diagnostic tool, a scanner should have the ability to interface with the car’s computer and display live data. Some scan tools are only designed to show a long list of all the available data values, while others allow you to pull specific parameter IDs (PIDs) and create a custom list.That can be tremendously useful during the diagnostic process, since it allows you to watch for problems during a test drive.
You can find decent scanners that perform those functions for under a hundred dollars, although the cheapest option may be an ELM 327 scanner. These "scanners†plug into your OBD2 port and use an ELM 327 microcontroller to interface the computer in your car with a phone, tablet, or laptop via either a wireless or USB connection. If you have one of those devices already, then you should be able to buy some premium ELM 327 software and still come well under the price of a traditional scanner.
See what your car is doing in realtime, get OBD fault codes, car performance, sensor data and more! Car Scanner is a vehicle / car performance / diagnostics tool and scanner that uses Professional Diagnostic Tools to connect to your OBD2 engine management / ECU. And it’s FREE! Car Scanner was inspired by Torque and OBD Car Doctor (PNN software) for Android, and brings best features to Windows Phone / Windows 10 Mobile. Layout your own dashboard with the gauges and charts you want! Add custom (extended PIDs) and get information, that was hidden from you by car manufacturer!
In order to be a really useful car diagnostic tool, a scanner should have the ability to interface with the car’s computer and display live data. Some scan tools are only designed to show a long list of all the available data values, while others allow you to pull specific parameter IDs (PIDs) and create a custom list.That can be tremendously useful during the diagnostic process, since it allows you to watch for problems during a test drive.
You can find decent scanners that perform those functions for under a hundred dollars, although the cheapest option may be an ELM 327 scanner. These "scanners†plug into your OBD2 port and use an ELM 327 microcontroller to interface the computer in your car with a phone, tablet, or laptop via either a wireless or USB connection. If you have one of those devices already, then you should be able to buy some premium ELM 327 software and still come well under the price of a traditional scanner.
See what your car is doing in realtime, get OBD fault codes, car performance, sensor data and more! Car Scanner is a vehicle / car performance / diagnostics tool and scanner that uses Professional Diagnostic Tools to connect to your OBD2 engine management / ECU. And it’s FREE! Car Scanner was inspired by Torque and OBD Car Doctor (PNN software) for Android, and brings best features to Windows Phone / Windows 10 Mobile. Layout your own dashboard with the gauges and charts you want! Add custom (extended PIDs) and get information, that was hidden from you by car manufacturer!
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