morrisgauge
20th November, 2022, 06:35 PM
Hello friends. I have this Mazda giving me trouble. Maybe my DSP3 is failing. This cluster has two 93c56 eeprom, I am reading/writing the "lower" eeprom nearest the odometer display. When read/write I get the appropriate mileage, but after driving 1 mile, dash display goes to --------. When original file/chip reinstalled, all is well. Can someone inspect to see if OK? I think I do not have appropriate checksum calculation, or maybe second eeprom must also be written?. I would love to have this file be 115,000 miles, if possible. Thank you very much for looking.