The user is able to receive and view information from a vehicle’s on-board engine management computer system, enabled by Both scanners Viz. Porsche Scanners and VW/Audi Scanners and code readers.

1. A Basic Understanding of
Automotive Diagnostic
Scanners

2. The profusion of scan tools and code readers available to the consumers through various
e-Commerce websites, auto parts stores and retailers it is an undeniable that the automotive
electronic equipment manufacturers have released that there is growing customer base for
such products. Once these products were solely available to major dealers and experts, today
an automotive diagnostic system are made accessible to owners and enthusiasts alike.
A Basic Understanding of Automotive Diagnostic Scanners

3. In the past, mechanics, vehicle owners and enthusiasts pretty much did quite well without
them. However, today the following questions leave automobile hobbyists and even some
professional repair technicians befuddled:
1. Are they really necessary for executing a repair work?
2. Are they useful at all?
3. If they have emerged as an essential component in repair, how computer trouble codes
and data streams which are produced by these diagnostic tools, are to be fathomed b
y a lay user?
4. What are the specific functions of these diagnostic tools?
5. From where did the need for these tools arise?
Delving into auto scanners, and the reason for their sudden need?

4. The user is able to receive and view information from a vehicle’s on-board engine management
computer system, enabled by Both scanners Viz. Porsche Scanners & VW/Audi Scanners and
code readers.
The major difference b/w scanners & code readers is of the quantitative nature. Elaborating on
the aforesaid automotive diagnostic information along with additional diagnostic information
can be provided by scanners. They are also capable to be used for performing functional tests.
Whereas, code readers have a comparatively limited functionality enabling the user to receive a
utomotive diagnostic information, only.
Let’s Understand the Basics First

5. Contrary to the aforesaid, a number of tasks could be performed by an onboard diagnostic
engine management system, which are inclusive of but not limited to, the following:
1. Controlling communication, lighting, navigation and other computer-related systems.
2. Vehicle security.
3. Managing climate control systems.
4. Managing fuel-injection and ignition systems.
5. Shifting automatic transmissions.

6. Nevertheless, monitoring the performance of emissions controls, components and systems and
notifying the driver about their car being a source of harmful automobile emissions is the most
important function an onboard diagnostic engine management system performs in tandem
with scanners Viz. Porsche scanners and VW/Audi scanners and code readers. Code readers
and scanners have only the technical capacity of reading the information generated by an
on-board vehicle engine management computer system.
Initially on-board vehicle engine management computer systems were built into vehicles by
various automobile manufacturers. This was the first generation of On-Board Diagnostics
(OBD-I).

7. It was developed in the early1980s. In doing so the intention of the vehicle manufacturers was
to enable the driver to receive warning about any malfunction that occurred in the emissions
control. This generation of On-Board Diagnostics was quite expensive & wasn’t standardized
across automobile manufacturers. The majority of these scanners were produced in USA at
that time.
A myriad of cables and adapters were used by scanning tools such as Porsche scanners and
VW/Audi Scanners. These wererequired to be plugged in to numerous data connectors install
ed in cars in order to retrieve diagnostic information generated by OBD-I systems. These
on-board data connectors differed according to the manufactures, the year and the model.

8. Thank You
Auto Scanit
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