Most people who have the diagnostic scan tools in most cases are ignorant of the way the tools work. This is the reason why in spite of the numerous benefits, the individuals end up incurring immense expenditures on technical consultations. In general, the idea for the OBD was to enable motorists to get personalized vehicle fault reporting.
With the relevant technology which are to enable quick and ease of access, the owner or the technician will therefore repair the fault without having to resort to other underhand tactics. How does this small gadget manage to do so? This question has not been able to leave so many people’s lips.
How was coding before?
The initial method of diagnosis before the introduction of OBD seemed cumbersome, time wasting and energy intensive. The OBD has therefore reduced all these and made all the vehicle owner needs to be a small gadget which can be carried around with ease. This has made the process of getting any information from the vehicles to be quite easy.
The diagnostic scan tool
The placement of the OBD machine depends mostly on the period of its make. For instance, you are likely to find vehicles made before the 1996 when the official OBD user requirement was underpinned in most areas of the United States to be placed on any part of the vehicle engine. However, that is not the case with the new car models whose OBD scan tool rests near the driver for ease of access.
Because of the modernization, the SAE J|1997 has been the commonest standard used in most of the manufactured models after b1996. However, the use of the DTCs or what was common as the P codes was rather predominant in the earlier setting. The codes were just used as some identification and contained the relevant repair data on any car model. The use of scan tools has however super ceded this by making the retrieval of data much easier by eliminating the codes, thus making most scan tools to be usable across board.
In several instances, you are likely to encounter the use of the malfunction indicator light when the car experiences some fault. It is prudent if the car owner could take time to learn the various functional features of the car and the scan tool. For instance, the engine lights are usually a sign that something is not right with the car. The assumption of the engine light can ground the car if not taken care of in good time.
The engine as it is made operates from several fuels which are bound to cause emissions of both pollutants and heat. This is usually the target of the OBD scanning process. The failure to manage the excess emissions may result into grave environmental as well as economic repercussions.
So the basis of the OBD scanning works at checking two areas of the engine:
- The fuel- with the use of fuel, burning is likely to occur; excess heat may cause unimaginable engine damage. That is why certain codes are specific to check the fuel burning process. The engine needs to be cool but not cold. The OBD scan thus ensures that the relevant codes are sent to warn the driver of any impending engine status change.
- Most of the car engine temperature management systems of old were based on physical checks. The modern car only uses the OBD scan tool to be able to effectively. From the old carbureted models, the current machine has engine coolant temperature monitors in the form of what we call the ECM monitors. The maintenance of the engine temperature to its normal sense is rather important.
- The used of the thermostat is the normal way if you are dealing with the older models of the car engines. The use of the OBD scan is rather simple and easy and will only take a few minutes of your time. The temperature reading at abnormal; levels will direct you to carry out some fault correction mechanisms.
- Idling- the process of ensuring that the car is in its right shape for the road rests on the use of OBD checks. With the relevant readings on the idle air controls systems, you will know whether to stop or continue driving. When the code shows a fault, taking immediate action may save you from an eventual accident.
The OBD scan tool is thus an important component of the modern car. But knowing how it works is the most important element if one is to enjoy its use. The way forward in most cases is just learning the dynamics of your car functions. It is bound to make your car use even easier and stress free.
About the author: Chase Holik is the founder of Obd2 Bluetooth, a small blog dedicated to provide honest obd2 bluetooth scanner reviews and information. Check out obd2bluetooth.net to learn more about Chase and his work. You can find him on Facebook and Linkedin.