Onboarding Diagnostics 2 (OBD-2) is a standardized system which is used to diagnose and report the problems in the cars or other vehicles. OBD 2 scanners are of two types that are the OBD Code readers and the OBD scan tools. The functions of an OBD 2 scanner depends upon whether it is a basic code reader or an advanced scan tool.
Basic code reader can only read and clear the codes whereas the advanced scan tool can help one view live and recorded data, provides access to bi-directional tests and controls and other advanced functions. These scanners also help in checking the soft and pending codes and provide access to a wealth of information.
- How to use an OBD 2 Scanner
OBD Scanner are basically standardized and are easy to use. All the OBD systems use same connectors SAE J1962
The steps to use the OBD Systems are :
- Turn OFF the ignition and search for the Data Link Connector.
- Plug in the diagnostic cable of the OBD 2 scanner to the Data Link Connector
- Turn the ignition on
- Wait for the screen to light up
- Then Click on the I/M Readiness Key diagnose the emission status.
- Choose the Read Codes to know the main cause of the fault and the breakdown and make some fixes and then choose clear codes to turn off the MIL
One will definitely get to know how to use an OBD 2 Bluetooth connector but one should also have the knowledge about the trouble codes like what they mean. For e.g. trouble code P0128 means problem in the cooling system of the engine, and trouble code P0456 means trouble in the evaporative emission system probably a leak in it.
The best OBD2 scanners available in the market are :AD510 from ANCEL, 3150e from Innova, AL519 and MaxiScan MS 300 CAN from Autel and many more.