Mileage corrector software v20.1
15 MB - Google drive
We reserve the right not to be responsible for the correctness, completeness or quality of the information provided.
Useful tips:
1. In case if mileage is written down in eeprom, and on the PCB there are more than one of the same type it is necessary to search for that which is more close to the display or the microprocessor.
2. Some chips have protection against reading, please use programmers which are able to bypass this protection.
3. After you have read dump from a memory chip please look on its content. If there are only zero's or FF's it means the dumps is wrong readed.
4. After reading the chip ALWAYS make a backup dump file.
5. Try to write recalibrated dump into new chip, so you will always have original chip for backup.
6. Before changing the mileage, count on the calculator original mileage and compare it to that which it is written down in original dump.
7. Calculated and readed mileages can differ in following cases:
------------- 7.1 Probably, it is necessary to change senior and younger bytes (to make SWAP) Example: ABCD -> CDAB
------------- 7.2 As the rule, mileage calculation methods are trade secret's of dash manufacturers, so the algorithms presented here are formulas calculated personally by us, and sometimes they have accuracy of + - 250km (miles). It is not essential in calibration, but you must consider this fact when comparing original and calculated mileage values.
------------- 7.3 Dash manufacturer can sometimes change offset's where mileage is stored in the memory chip, so in case of discrepancies please look all dump entirely.
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