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Figure 4-21 Sample of the Special Functions for the Injection system of Renault Duster ii ph
Usually, special functions provide various reset or re-learning function menus for most
vehicle systems. You can easily and quickly solve some faults through special functions
for your car. After some functions are successfully executed, fault codes will be
generated, which need to be cleared manually after the car is running for a little while.
And under each system, you can view the special features supported by that system.
Different models and systems often have different special functions. Even for the same
system of the same model, the years and ECU type may lead to different special
functions supported.
4.4. ECU CODING & PROGRAMMING
Since the introduction of OBD II and leading up to modern Hybrids and EVs,
computers, and software in cars have been expanding at an exponential rate. In-car
software is becoming one of the leading needs for service, and updating software may
be the only way to fix some of these issues:
•
Drivability
•
Fuel Efficiency
•
Power Loss
•
Fault Codes
•
Durability of Mechanical Parts
The Programming and Coding function is used to re-flash the vehicle control modules,
which allows you to update the computer software of the vehicle to the latest version,
as well as to reprogram adaptive data of certain components after making repairs or
replacements.
There are two general types of programming operations:
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