redtop
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« on: October 15, 2014, 10:54:08 AM »
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Did some experimenting on the ME7.3.1 and found the following that is stored in the eeprom:
Odometer [km] 02h-04h.
3 bytes LSB first.
Odometer [km] = value / 10
Max engine RPM reached [rpm] 06h
1 byte
RPM [rpm] = value * 40
Number of overrevs 0Ah
1 byte
number [1] = value
Time in overrev [ms] 08h-09h
2 bytes LSB first
time [ms] = value * 100
2 byte checksum for 00h-0Dh is located at 0Eh-0Fh (LSB first) and is calculated as 10000h - (sum of 00h-0Dh).
Example:
01 01 40 E2 01 00 1E 00 0A 00 64 00 00 00 4F FE
Reported by Alfa OBD:
Odometer, km: 12345,6
Number of overrevs: 100
Max engine speed counter, msec: 1000
Max RPM reached: 1200
Feel free to continue this thread with more info on the ME7.3.1 EEPROM.
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