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Low 5v ref

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Low 5v ref
fixkick Offline
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Posts: 6,091
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#4
01-31-2021, 12:37 AM
the 4 wire power only bench test of the ECU , is conclusive.
5vdc dead ECU is dead.
ic17 bad, nobody on earth sells this, so super hard to repair, when blown, or pin 1 is dead IC 17, means IC7 is bad.

if the Cel lamp is dead (will not flash DTC codes at all, IC7 or Q105 are bad.
that is far as I can peel this onion, lacking more tests.
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Messages In This Thread
Low 5v ref - by Yukonjay - 01-30-2021, 03:00 PM
RE: Low 5v ref - by fixkick - 01-30-2021, 10:37 PM
RE: Low 5v ref - by fixkick - 01-30-2021, 10:48 PM
RE: Low 5v ref - by fixkick - 01-31-2021, 12:37 AM
RE: Low 5v ref - by fixkick - 01-31-2021, 12:42 AM
RE: Low 5v ref - by fixkick - 01-31-2021, 12:49 AM
RE: Low 5v ref - by Yukonjay - 01-31-2021, 04:47 PM
RE: Low 5v ref - by Yukonjay - 02-09-2021, 05:45 AM
RE: Low 5v ref - by fixkick - 02-09-2021, 07:40 AM
RE: Low 5v ref - by fixkick - 02-09-2021, 07:42 AM
RE: Low 5v ref - by Yukonjay - 02-16-2021, 03:47 AM
RE: Low 5v ref - by Yukonjay - 02-12-2021, 08:25 AM
RE: Low 5v ref - by fixkick - 02-15-2021, 12:30 AM
RE: Low 5v ref - by Yukonjay - 02-12-2021, 08:32 AM
RE: Low 5v ref - by Yukonjay - 02-15-2021, 03:52 AM
RE: Low 5v ref - by fixkick - 02-15-2021, 08:02 AM
RE: Low 5v ref - by fixkick - 02-15-2021, 08:06 AM
RE: Low 5v ref - by Yukonjay - 02-16-2021, 05:16 AM
RE: Low 5v ref - by Yukonjay - 02-25-2021, 12:00 PM
RE: Low 5v ref - by fixkick - 02-27-2021, 12:11 AM

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