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Fabry73
3rd July, 2022, 06:24 PM
Hi everyone, i have here a dash of a 2008 Triumph Street Triple with PIC18F458, i connected it to the pickit2, read and saved the HEX file, changed the KM value, rewrote the program memory and the eeprom ... but now once powered it shows me the completely blank displays.
I tried to rewrite the original dump but nothing ... it always remains empty.
What can I do?
Please I'm going crazy :)))))

skens
4th July, 2022, 10:13 AM
hi



















135 / 5.000






Rezultati prijevoda



I'm not really into that, but I guess, you didn't do the procedure properly, as far as I remember, you need to lock the mcu after writing! I do not know how
regards

Diagcar1
4th July, 2022, 06:33 PM
Find yourself a new dashboard. I think you are not going to get that one working again.

drugowaz
7th July, 2022, 05:33 PM
Bike not start with donor dash due to immo

Diagcar1
7th July, 2022, 05:52 PM
Bike not start with donor dash due to immo

Not true, bike starts no immo.

Meanwhile
15th August, 2022, 09:09 AM
Hello,

I have the same problem i change the EEprom hex data and now the lights goes on but no data on the schreen.
I have a Triumph street triple 2007 PIC18F548 uses the pickit3.

What can be broken and is it possible to fix it or change parts from the dash.

Greetz

Meanwhile
15th August, 2022, 09:11 AM
Fabry73 Where did you change the KM value?

robrkl
15th August, 2022, 12:39 PM
Fabry73 Where did you change the KM value?

Easy to change in the Eeprom.

Diagcar1
15th August, 2022, 02:18 PM
Hello,

I have the same problem i change the EEprom hex data and now the lights goes on but no data on the schreen.
I have a Triumph street triple 2007 PIC18F548 uses the pickit3.

What can be broken and is it possible to fix it or change parts from the dash.

Greetz

If you errased the PIC I dont think you can solve the problem.

Meanwhile
16th August, 2022, 12:38 PM
Oke when i buy a new eeprom pic18f458 and write the original data in it then it works?

Meanwhile
16th August, 2022, 12:39 PM
I can test it , its interesting to know.

Meanwhile
17th August, 2022, 10:57 AM
Second dash also don't work.
Maybe i do something wrong wiht the pickit3 software.
I read it says successful
I load a hex file
I write it says successful.
I disconnect the dash.

Diagcar1
17th August, 2022, 01:25 PM
Second dash also don't work.
Maybe i do something wrong wiht the pickit3 software.
I read it says successful
I load a hex file
I write it says successful.
I disconnect the dash.

With the wrong settings in Pickit, Pickit will kill them all.

Meanwhile
18th August, 2022, 01:25 PM
Okay maybe , wich important settings i need for the pic18f458. I was thinking it goes automatically when i select the good pic in the list.

Meanwhile
19th August, 2022, 12:06 PM
Hello, finely worked the pickit3 on the mplab IPE Change the device to 4,5V Voltage and power target in advance-mode and it connect:stung:. i make Screenshots from the Information maybe interesting why it not works because in screen 2 i can see differences from a other hex file same bike other kmst there are a lot diffrent settings.

maybe someone know ??

907422 907423 907424

Meanwhile
19th August, 2022, 12:06 PM
This is from a other hex file:

907428

Meanwhile
19th August, 2022, 12:08 PM
so the easy hex file downloading and programming is not without risks it can damage your tacho wich costs 350/650euro's

Diagcar1
19th August, 2022, 02:34 PM
For your info, we cant see anything on those thumpnails.

Meanwhile
19th August, 2022, 06:43 PM
oke i see , i send it again.

Jardel
21st August, 2022, 01:04 AM
What happens when you program a pic incorrectly:
1- You read the eeprom area and the pic programming area, which is encrypted. Therefore, the bytes you read in the programming area, do not make sense if read in cryptography.
2- You edit the mileage in the eeprom area, and overwrite the entire pic, including the encrypted bytes you read that are now simply written over the original encrypted programming.
3- The pic is dead, because the original code only the dash developer has, and he doesn't want anyone to find out.
4- You will only get this code recorded in a pic of a board identical to this one.
In short, this panel only works again if you find a working pic taken from a broken pcb that is identical.
Only work in the eeprom area.
(If I'm wrong you can correct me)

Fabry73
21st August, 2022, 02:48 PM
and nothing ... i solved it by replacing the dashboard and making sure to rewrite ONLY the eeprom part with pickit2.
In practice, the PIC 18 commits suicide if the part of the program (above) is rewritten ... so it is mandatory during the correction not to leave the check in the "program memory" section, otherwise ... you have to buy a new dashboard :(

Meanwhile
22nd August, 2022, 11:14 AM
Okee thanks for the information so take off the old pic18f from the dash and put a new clean pic18f also doesnt go to work because that encrypted part i can never put it backon it... that's shitty :beheaded:

Meanwhile
22nd August, 2022, 11:20 AM
so in practice to fix it then i need to buy a damaged dash with good pic and put that on my good dash rewrite milage and finish.:cheer:

Fabry73
26th August, 2022, 07:59 PM
exactly ... unfortunately.
Speaking with a TV repair technician i learned that the PICs in the TVs at the end of the programming are bombarded in a certain area with an infrared ray to kill a micro-diode in order to make them not totally readable (bootload zone) and if someone tries to rewrite them inevitably condemns him to death.
It could be the same for this technology.