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View Full Version : Toyota Yaris 1.0 VVTI Gen1 M7.9.4 Checksum



redline974
28th January, 2020, 01:02 PM
Hi all

I have successfully read this ecu on Bench

Easy tune... But... No tool can do the Checksum

Winols Official can't, ECM Titanium Official too...

I haven't try on car because I buy ecu to try before tune in car ( no pinout can find anywhere, I make it myself )

If anyone know how to do checksum this ecu I will very be happy!!!

PS: This ecu isn't same as M7.9.5/ME7.9.5/M7.9.52/ME7.9.52 ( ST10Fxxx ); M7.9.4 has a 29F400BB Flash

voltechcar
28th January, 2020, 05:20 PM
winols genuine without any problems fix crc.