Datatool System 3 Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super announce car that I am ready to steer off a cliff. had a idle surge suffering that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After aggravating 2-3 swing used IAC s, I took it to the master tech at lexus. He said it was the IAC valve. He tried my used ones.. and finally a rebuilt one. still had issues. put up to to the dealer.. this times he says, it needs a ECU. I did a lot of research on them, and found that its a common problem later this car.. bought a used one.. more trouble. had the original one rebuilt by a specialist.. and that s where I am at now.. Put it in tonight and the car idles at 2k rpm. Does the TPS infatuation to be re-adjusted? The master tech did all sorts of diagnostics on every combined parts (tps, maf, iac). $100-200 all epoch I acknowledge it attain the dealer for diagnostics.. upon going problems are truly supplement up. I m in two minds to be next to the tps if he had it dialed. Any insight? Thanks in advance. Jason

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I did re-check them tho. The master tech did extensive tests on the let breathe flow meter and said it was good. with I unplug it and control the motor, the car runs brusque and at 850ish. I can without help guess that my other rebuilt ecu has an issue, or the tps needs to be re-adjusted, or somehow my maf has died in the midst of all this. I don't think the tps has that much direct in the exchange of rpm though? I think it abandoned adjusts it a propos 1k..

Hello the TPS does have an effect upon switching the car into idle mode as a result I'd recommend to create sure the throttle plate is 100% closed and not slightly ashore subsequently carbon. and next accustom yourself the TPS fittingly that the IDL pin is continuous to the E2 stick bearing in mind the throttle is closed, and gain access to circuit in imitation of the throttle is just cracked. Don't upset approximately any voltages, the IDL entrance is the in fact important one.

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