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HexEditor
14th January, 2012, 01:18 AM
I have an MB W210 E-Class ECU.. I lifted pin-17(RESET) and pin-20(RX) then tried read but I didnt.. It gives this error "Device not respond"..

How can I read 4E28B (68HC11E9) with UPA or Can UPA read this MCU ?

Best regards..

shanektm450
14th January, 2012, 06:50 AM
I have an MB W210 E-Class ECU.. I lifted pin-17(RESET) and pin-20(RX) then tried read but I didnt.. It gives this error "Device not respond"..

How can I read 4E28B (68HC11E9) with UPA or Can UPA read this MCU ?

Best regards..

Just take Chip off then read , I do plenty of them and had no problem. PS!! You wasting time reading inline take it off and read 10min job if you know what your doing:bounce:

elmaalouf
14th January, 2012, 08:50 AM
are u using original upa or the chinese one?

einet
14th January, 2012, 04:24 PM
are you trang to read with HC11...old on upa?

robert54
14th January, 2012, 09:33 PM
Upa read this chip wuih no problem just 5 minutes job
123 gnd
17 - reset
20 - RxD cut
21 - Txd cut
26 - 5+
Change oscilator to 8000 or 7800

vampirodauva
14th January, 2012, 09:44 PM
hi
for read with upa you need lift pins 2, 17, 20, 21 and select oscilator 8 Mhz.
regards

igor6997
14th January, 2012, 10:53 PM
Hi
Read on-board

fear_dark
15th January, 2012, 03:53 PM
lift RX, TX, RESET

HexEditor
15th January, 2012, 04:02 PM
are u using original upa or the chinese one?

I use original UPA from ELRASOFT..

HexEditor
15th January, 2012, 04:06 PM
I tried eveything from the thread but still device not respond..

I tried to read much.. may software have been deleted ?

einet
15th January, 2012, 07:34 PM
and become a error on UPA?
what is the stat from them?
put a picture from the conecton from the UPA to see the voltage.

elmaalouf
16th January, 2012, 12:07 AM
hello yes you should read on board and pls post the connection diagram u r using it

elmaalouf
16th January, 2012, 08:44 AM
do u have other programer ?

gadroulll
16th January, 2012, 08:01 PM
you must disconnect modb from board

HexEditor
16th January, 2012, 09:36 PM
I read finally..

I lifted 17,20 and 21.. After I selected MC68HC11E9-old..

Connection :

Pin-01 - GND
Pin-02 - GND
Pin-17 - RESET (Lift)
Pin-20 - RXD (Lift)
Pin-21 - TXD (Lift)
Pin-26 - VDD

Oscillator - AUTO

Don't connect MODA !!!

Thanks for all answer.. Best regards..

einet
17th January, 2012, 09:01 PM
are you trang to read with HC11...old on upa?

I say that!