Monday, October 10, 2016

How to fix Carprog Clone LIB File Problem

Here is the working solution on Carprog clone “LIB file problem” by re-flashing Mcu ARM AT91SAM7S256 step by step.ECU Programmer

OBD Tech
Problem:
Any work solution for carprog v8.21 clone?
“Lib file problem. delete LIB file and make Update>-Internet”


Solution:
Yes, reprogram ARM with any jtag programmer.

Reflash Carprog MCU ARM by Jtag:
We need the stuff:
1- AT91SAM7S256.bin
2- Jtag programmer
3- Jtag software
We need to prepare the Carprog to connect to Jtag programmer but first the flash need to be erased, the Jtag function in mcu is disabled, you can’t connect to the mcu before erase the flash. Remove the AT88SC eeprom from the board, please note where is the pin 1 in eeprom before remove:


Carefully lift the pin 55 (reset) of the mcu and solder a wire and secure it with a small amount of silicone (you don’t want to broke the pin in the process).
Connect the Carprog (with the pin 55 disconnected) to the 12v supply, wait about 10 seconds and connect the wire from pin 55 to Vcc (3.3V) in Carprog:



Wait from 5 to 10 seconds after connect the 12v supply, the flash content will be erased and the Jtag option of the Mcu will be enabled now. If not work leave connected for about 3 to 5 minutes. Disconnect the 12v supply from CarProg full  and remove the pin 55 wire from vcc. The pin 55 must remain disconnected until the programming process is done.
Ok, that’s it. I make it; and you try on you risk.
Article from:http://carprog-carprog.blogspot.com/2016/10/how-to-fix-carprog-clone-lib-file.html

Saturday, October 1, 2016

CarProg with A9 A1 A1+ adapters test operation

Which adapter is necessary to make a test when the Carprog full fails to work? And how to do the test? Go on reading the post to get answers yourself.

A9 first!!!

If CarProg hardware test fail – in most cases you just need exchange 4x 74HC125 integrated circuit. Exchange all 4 74HC125 together!!!





update your Carprog A1 adapter:
carprog-a1-adapter
open A1 solder additional tantalum or electrolytic capasitors – this MOD will solve “communication lost” problems.
– A1 before modification:


– A1 after modification:


or with electrolytic capasitors 47uF 25V
carprog-47uf-25v-electrolytic-capacitors

update your A1+ adapter: 
open A1+ solder additional tantalum or electrolytic capacitors – more stable OBDII communication.  Also very important for older CarProg users – change one 1k Ohm resistor and solder 120R Ohm

– A1+Before modification:


– A1+ after modification:

or with electrolytic capacitors

TRY AT YOUR OWN RISK.