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Author Topic: The Volvo ME7 thread:  (Read 209756 times)
clubman
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« Reply #1035 on: January 12, 2018, 11:53:39 AM »

Dear Luki,

Sorry for downgrading your car!! Grin Grin

Please accept my apologies by provinding you a better place for booting the ECU (I remember you had difficulty soldering straight on the chip). This is on the bottom of the ECU, solder straight on the side of the resistor shown. Ground it on the outer ground strip (with the little holes on it). Tested and works perfectly!

https://imgur.com/a/dChOD
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luki743
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« Reply #1036 on: January 12, 2018, 12:17:17 PM »

I accept your apologies Grin
Thanks very much, as usual, you are helpful!

It is interesting to change one paramater KFWZ3... in 2.0t it is also possible?
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clubman
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« Reply #1037 on: January 12, 2018, 12:19:23 PM »

Yeah you can change whatever map you want (if you know why you are doing so-if it is helpful) as long as you find the maps..
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koponyanyimonyok
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« Reply #1038 on: January 12, 2018, 01:14:21 PM »

Well, tried with MPPS, still nothing.

It just won't go in boot mode. Can this ECU be broken? How thick wires do you use? I'm out of ideas...
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clubman
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« Reply #1039 on: January 12, 2018, 03:32:17 PM »

Visually check that you haven’t accidentally desolder or lifted the bootpin on the eeprom..
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koponyanyimonyok
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« Reply #1040 on: January 12, 2018, 04:51:29 PM »

Visually check that you haven’t accidentally desolder or lifted the bootpin on the eeprom..

On my power supply I can see the amps the ECU pulls. When removing the ground the amps decreases from 0.30 to 0.26 so I guess it should be good.
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clubman
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« Reply #1041 on: January 12, 2018, 05:03:33 PM »

You can’t say for sure from the amperage.. There are other components in the boot line circuit that draw current as well. Make sure that pin 24 has contaxt with the pcb. Then desolder your wire and try grounding using the resistor I posted some posts ago. Maybe this works for you. Also, what if your MPPS is not working? Can you verify it is ok?

What is the voltage in the power supply? Try above 13.5.
« Last Edit: January 12, 2018, 05:45:02 PM by clubman » Logged
koponyanyimonyok
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« Reply #1042 on: January 12, 2018, 05:51:08 PM »

Galletto + Vag cable does the same (no)thing, so its not an MPPS problem. Tried on the resistor, 13.9V, still no boot mode. Will try on a brand new windows, in the next few days.
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clubman
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« Reply #1043 on: January 13, 2018, 01:23:02 AM »

Galletto has a weird procedure. You cannot have the ECU booted and switched on and then run the program. Run the program choose the Audi relevamt ECU type GENERIC 7.xx and then switch on and boot the ECU ONLY when the popup about pin 24 to massa appears. Press ok and ecu id and it should work.
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thedrill
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« Reply #1044 on: January 13, 2018, 09:20:33 AM »

My procedure for galletto, have galletto loaded with a bin file, hover over write...I press the button on the ecu and keep it pressed , switch on the power...count to four, release button...press write... message will show...hit ok.
Works every time for me.
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