micro processor reading [Sitemap]

radiosolutions

29th December, 2011, 10:44 PM

i have a ecu off a renault megane it contains a hc11 processor, i have tried to read it with 2 programmers capable of reading this chip, but both fail, saying unable to read. do i have to remove crystal to read this micro. thanks

smokey08

29th December, 2011, 10:51 PM

Can we have more info? ECU make? MCU mask? sometime you will have to lift legs off the board.

radiosolutions

29th December, 2011, 11:04 PM

the ecu is a siemens and numbers on it are : s111730108c. hom7700864451. b7700101920. 01694373240231-97136, processor is mc68hc11e1vfn. thanks

smokey08

29th December, 2011, 11:26 PM

Try lifting the reset leg off the board.

almeida

29th December, 2011, 11:50 PM

today i read one with upa no problem
no need to lift any pin
follow the manual like hc11E9

radiosolutions

29th December, 2011, 11:58 PM

yes i followed the manual , i had to solder 6 wires to certain points but it would not read, thanks

kevfield

30th December, 2011, 12:15 AM

I have also read this MCU lots of times with UPA did you select old hc11E9 in UPA menu ?

Thanks kev

einet

30th December, 2011, 12:23 AM

i have a ecu off a renault megane it contains a hc11 processor, i have tried to read it with 2 programmers capable of reading this chip, but both fail, saying unable to read. do i have to remove crystal to read this micro. thanks

Read my post on this thred for help.
http://www.digital-kaos.co.uk/forums/f175/need-new-ecu-191753/

einet