Originally posted by sonikaccord
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I would say there's a short, somewhere.
Actually, if you hook your ECU up to all the harnesses and measure the resistances from all of the diode and transistor legs to ground, you may find something.
That may be tricky to understand so for clarity:
Measure each transistor leg to ground, each diode leg to ground and each resistor leg to ground. This should preferably be done with no components in the hole (or with the PT3) so that bad components won't skew your readings. This will test for shorts/abnormal resistances 'outside' of the ECU. You're trying to "see" what the transistors "sees" if you get what I mean.
Actually, if you hook your ECU up to all the harnesses and measure the resistances from all of the diode and transistor legs to ground, you may find something.
That may be tricky to understand so for clarity:
Measure each transistor leg to ground, each diode leg to ground and each resistor leg to ground. This should preferably be done with no components in the hole (or with the PT3) so that bad components won't skew your readings. This will test for shorts/abnormal resistances 'outside' of the ECU. You're trying to "see" what the transistors "sees" if you get what I mean.
You explained that perfectly. I'm positive I'll find something out now that I have all this info. Hopefully it's in a location that's not too hard to work with.
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