Which is an example of a factory scan tool?
Factory scan tools not only read data from the computer but also command the computer to perform tasks. One example is the ability to force the ABS system to perform a bleed procedure where it purges air from the ABS control valves. But a bi-directional scan tool can do a lot more.
How to read scan data for car repair?
After finding the connector simply plug in the diagnostic tool and begin reading the scan tool data. Most scan tools come with paper manuals or discs that provide a good knowledge base for beginner diagnosis. On board diagnostic second generation scan tools like the Actron 9680 above, or the Innova 3030g now have color screens.
What does a scan tool do for a car?
Buy a scan tool that gives you live data and then learn how to interpret the data. When an engine computer sees a lean condition in the exhaust, the first thing it does is add more fuel to the mixture. This is called Fuel Trim. The computer tracks how much fuel it adds or subtracts.
Where is the OBD II scan tool located?
The OBD II scan tool is very easy to use in my opinion. In most cases and on the majority of automobiles you will find the on board diagnostic connector just left of and below the steering column. The exact location is usually pointed out in the owners manual as well.
After finding the connector simply plug in the diagnostic tool and begin reading the scan tool data. Most scan tools come with paper manuals or discs that provide a good knowledge base for beginner diagnosis. On board diagnostic second generation scan tools like the Actron 9680 above, or the Innova 3030g now have color screens.
What kind of scan tool do I need for GM?
For GM applications, you need a Tech 2 scan tool or Vetronix Mastertech. For Ford applications, you need a Ford New Generation Star (NGS) scan tool. For Chrysler applications, you need a Diagnostic and Reprogramming Tool (DART). Chrysler dealers use the Mopar Diagnostic System (MDS2) and DRB III scan tool.
The OBD II scan tool is very easy to use in my opinion. In most cases and on the majority of automobiles you will find the on board diagnostic connector just left of and below the steering column. The exact location is usually pointed out in the owners manual as well.
What can live data readings on a scan tool do?
The “live data” scan tools can really help out with a difficult problem. The local Chevy dealer connected one to my HHR because it was getting several conflicting fault codes right after a recall “fix.” The scan tool finally got the problem isolated to the Throttle Position Sensor and the Accelerator Position Sensor.