by Eye8Pussies » Sat Feb 06, 2010 8:40 am
not too sure if the gen3 is less trouble, but my 94 is obdII actually,so the problems should be similar.
as for the idle problem, I actually dealt with that problem back when I first went boost. The iac on the gen3 isn't as smart as the one on the gen4 and has even less communication with the ecu than on the gen4/solara, so I would stall at lights due to the extra load on the crank. The gen4/solara doesn't have this problem since the ecu compensates for that load.
But as a simple solution, I just turned up the base idle by adjusting the screw on my throttlebody (keeps the TB flap slightly open) and problem solved.
And I never had to deal with that problem with the direct clutch speed sensor, as there is no 5-speed ecu available for the gen3 1mz and I can't run a gen4 ecu since my ignition, cooling and P/S system is different than the gen4.
That's rather strange that even with a 5-speed ecu, you have solenoid problems, since a manual transmission has no solenoids? Did you keep the auto harness when you did that?
And funny that you mentioned that the harness was different at the windshield motor on bbq bob's swap, because we ran into the same issue when swapping EEngineer's car.
I would also have to agree with you on a couple of things though- I'm not surprised that toyota keeps changing their harnesses and that some are easier to work with than others. hell, look at how often they change a lot of other things on the cars just by a couple wires here and there. And I also have to agree that sometimes it's easier swapping a harness than rewiring, but it isn't always the case with all harnesses. Everybody who tackles this kind of job should be religiously going through both mechanical manuals as well as wiring diagrams to figure out what the most efficient and effective way of doing the job is. And sometimes, harnesses only have a difference of a couple of wires, or different plugs, which is easily solved.
HaHa
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