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01-28-2014, 05:03 PM | #1 |
Drives: yaris Join Date: Jan 2014
Location: manchester
Posts: 7
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YarisT Sport 2005
Hey guys, i have a 2005 yaris t sport with a problem, the odometer or the trip do not display at all? i have removed the instrument cluster, i have found 8 points on the underside of the pcb board, i believe a dil eeprom is on the other side of the board and i can connect via these points below? correct me if im wrong? i do not want to take the needles off as they don't look like they can be removed without damaging them? i have also read that the eeprom on these yaris sport's is rotated so i have attached the pictures of the points and the connection points (once rotated) but i cannot read any data from this chip using these points? am i doing something wrong?
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01-28-2014, 05:04 PM | #2 |
Drives: yaris Join Date: Jan 2014
Location: manchester
Posts: 7
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it could only be one of these 2 options above depending on which direction the eeprom is situated!
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01-28-2014, 05:37 PM | #3 |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
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Posts: 13,460
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The EEPROM pinout will not be interlaced like that. It will either be :
8 1 7 2 6 3 5 4 or 4 5 3 6 2 7 1 8
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01-28-2014, 05:47 PM | #4 |
Drives: yaris Join Date: Jan 2014
Location: manchester
Posts: 7
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so are the eeproms not "rotated or inverted" on these?
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01-28-2014, 05:49 PM | #5 |
Drives: yaris Join Date: Jan 2014
Location: manchester
Posts: 7
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like on here
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01-28-2014, 06:00 PM | #6 |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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I don't read German, but I assume that he is talking about which pins on his programming device go to which pins on the 93C46. You would never see a standard part number like the 93C46/LC46 where the pins locations are changed.
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01-28-2014, 06:43 PM | #7 |
Drives: yaris Join Date: Jan 2014
Location: manchester
Posts: 7
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i thought that swell but I've also got this in english which clearly states the pins on this particular eeprom are different? you never heard of this ever?
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01-28-2014, 08:24 PM | #8 | |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Quote:
If you connect yours per that and you still get no response from the EEPROM, then there is likely a larger problem with the odometer than the EEPROM needing to be reprogrammed.
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01-29-2014, 08:15 AM | #9 |
Drives: yaris Join Date: Jan 2014
Location: manchester
Posts: 7
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oh right, I've got a few different programmers, one is a Diagprog 3 which im hoping also will automatically swap pins for me, but im going to try and read it later and i will find out. Do you not think reprogramming the mileage data will sort the issue? if not i may load a dataset for a yaris, i have a few, do you have any in miles from a 2005 sport C46?
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01-29-2014, 08:41 AM | #10 | |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Quote:
Unfortunately I don't have any MK1 dumps.
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01-29-2014, 11:04 AM | #11 |
Drives: yaris Join Date: Jan 2014
Location: manchester
Posts: 7
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ill give it a go, thanks for your advice anyway, ill post results
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01-30-2014, 03:31 AM | #12 |
Drives: 2005 Toyota Vitz RS Join Date: Jan 2012
Location: Auckland, New Zealand
Posts: 181
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Hey diagtech, would you mind posting about how you can access the EEPROM and modify the data ? I have been unsuccesful in looking for that information and that document you have looks interesting. I would like to fix the milage on my replacement meters.
Thanks. |
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