Here is a guide on how to use MUT-III diagnostic software to do ECU variant coding writing for Mitsubishi cars.
Preparations:
2020 MUT-3 MUT-III Mitsubishi Diagnostic Software Free Download
MUT-III ECU Rewrite ROM Data from 2009 to 2021
Procedures:
Procedure of Variant Coding Writing
(1) Save a coding data into the fixed directory (*1) by
-To read the coding data out of the ECU
Mitsubishi Old ECU Data Reading by MUT-III Diagnostic Software
or
-To obtain a variant coding file in advance
*1: the fixed directory
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