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F30 sound new used amplifier
02-01-2023, 22:23 PM,
Post: #1
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F30 sound new used amplifier
hello,
i bought new used amplifier with this number 65129292601 and should fit my f30 2012. when i plug-in it ,no sound, i tried to read code, i see ,ECU not coded for you car" when tried to code with ESYS , I found that is in a newer i level (mine is f020-11-11-505) after that, i tried to flash it with 22-11-510 with no luck. after that i dont get coding error, but i have 'B7F4E1 AMPT: Undervoltage' |
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03-01-2023, 00:22 AM,
Post: #2
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RE: F30 sound new used amplifier
(02-01-2023, 22:23 PM)amine0xff Wrote: hello, Harman/Kardon must 2x 12v and gnd. Check this power supply. |
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03-01-2023, 07:29 AM,
Post: #3
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RE: F30 sound new used amplifier
(03-01-2023, 00:22 AM)aejanow Wrote:(02-01-2023, 22:23 PM)amine0xff Wrote: hello, I checked the big one .and there is 12v And module responded normally. I can code it or flash it . You think the second 12v supply? |
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03-01-2023, 07:37 AM,
Post: #4
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RE: F30 sound new used amplifier
There are two power supplies in the diagram
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03-01-2023, 07:49 AM,
Post: #5
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RE: F30 sound new used amplifier
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03-01-2023, 21:12 PM,
Post: #6
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RE: F30 sound new used amplifier
Update :
Checked all wiring. Seems OK But I found fuse 20 amp instead of 40 in fuse box I changed it to 40amp .and sound back. Wired |
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03-01-2023, 21:15 PM,
Post: #7
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RE: F30 sound new used amplifier
too small amperage of the fuse - probably damaged, that's why you were missing one power supply
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