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Thank @2informaticos this resolved it. Not sure how liquid damage is related to DFu corruption. :/
The minute I start pushing into DFU mode and the meter connected to the top left port, it starts pulling above 2A and charging the battery.
Fallowed this -...
Hi Guys, this A2141 820-01700 came with liquid damage on 2 spots only:
C6466/6452 - PPBUS_G3H_SPKRPAML - 12.6V - 0.39
C9580 - PPBUS_g3H_SSD0_SNS - 12.6V - 0.39
The only short I located apart from than CPU Phase lines is on
PP0V9_SLPDDR - 0.049
PP0V82_SLPDDR - 0.032
PPVDCPU_AWAKE - 0.010
There...
Managed to measure these, but cant the rest, impossible without ripping the trackpad cables. This board also doesnt turn on without a battery.
J4401 Diode mode reading between two boards are identical on J4401
Got a spare A1707, placed this board into spare casing and same error message.
Placed working A1707 in this one's case and touchbar and everything else is working.
Any areas I should cross-compare measurements of while I have them both here? u3900 is shielded but will take measurements of the...
PMU_TO_SOC_RESET_L Goes 1.79V when it turns on
Tried another touchbar, stuck at the same message, however no light on the brand new and used touchbar with a case. Suspecting something touchbar related on the board?
Resistors seems fine. Slight oxidation around underfilled SSD chips shield and...
Passes all Apple diagnostic tests. Geniuses said its a faulty TouchBar
Tried most of these - https://repair.wiki/w/A1706_2016-2017_13”_Touchbar_MacBook_Pro
Disconnected the Touchbar as it was showing only yellowish background
Wiped the drive and reinstalled High Sierra - It installed properly...
This board is a return case with liquid damage from 2 years ago. Not sure if related.
Stoped turning on, Seems like a screw got loose and got stuck between the GND of C7323 and the fan connector, Probably not related as well. Cant measure any direct shorts anywhere.
All voltages until...