MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 I Have problem reading Eeprom 24C02= B58258

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T O P I C    R E V I E W
Becoacamba Posted - 01/26/2009 : 09:21:00
hi I have a GQ-4X PROGRAMER and I`m Try to read with a test clip a 24C02= B58258 eeprom and the programer just shows the progress bar and said (reading. .. 24C02. the eeprom is a immo of a E.C.U Bosh I try now with 2 E.C.U.

The LED vcc on the programmer is red at moment to read the eeprom when normally is green. Now I try to use alimentation and gives me the same problem. thank you hopefully can help.
9   L A T E S T    R E P L I E S    (Newest First)
stevocz Posted - 04/28/2013 : 12:15:48
chip was ok. in old willem lpt work at first read
ZLM Posted - 04/27/2013 : 18:40:17
If you programming the chip on the programmer, then the chip may be the problem.
stevocz Posted - 04/25/2013 : 08:57:42
connection was good. chip was soldered into dip reduction.
ZLM Posted - 04/24/2013 : 22:41:42
Check the connection.
stevocz Posted - 04/20/2013 : 11:14:40
hi.
i have same problem.

I try read chip B58253 it is 24c02 SOP, but in gq-4x doesnt work read this chip, i am try various combinations chips in menu, but doesnt work.
in gq-4x still read only FF in chip

in willem usb/lpt work ok
ZLM Posted - 01/27/2009 : 17:32:21
"not read "?? does the software freezed during the reading?

If this is true, then the chip in circuit may not be able to programmed in circuit. It needs to removed from the PCB.
Becoacamba Posted - 01/27/2009 : 03:48:56
and I read another eeprom 24C02 of withus cell and read very well.
Becoacamba Posted - 01/27/2009 : 03:42:29
hi Sr.

Are you doing in circuit programming? yes

It does not read? or read but gives wrong data? not read just read 2 times but no more.

Is your ECU powered up? not is powered

How many lines you connected to the chip? I conect the 8 lines of the serial eeprom and I'm connected correctly..

Thx.
ZLM Posted - 01/26/2009 : 20:46:05
Are you doing in circuit programming?

It does not read? or read but gives wrong data?
Is your ECU powered up?
How many lines you connected to the chip?

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