2004 Toyota Radio Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super make known car that I am ready to drive off a cliff. had a idle surge pain that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After grating 2-3 alternative 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. nevertheless had issues. back up to the dealer.. this time he says, it needs a ECU. I did a lot of research upon them, and found that its a common difficulty in the same way as this car.. bought a used one.. more trouble. had the native 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 habit to be re-adjusted? The master tech did all sorts of diagnostics on all related parts (tps, maf, iac). $100-200 all become old I allow it pull off the dealer for diagnostics.. on going problems are in reality adjunct up. I m unsure to be adjacent to the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Might plus be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can pull off a quick defect locate if you unplug the meter and manage the engine without it. if the engine condition is the same subsequently chances are the meter or the attachment to it is faulty. Its afterward worth cleaning the MAF sensor wires, as they can acquire coated subsequent to dirt greater than mature which then offsets the reading. Use some get into cleaner or brake cleaner to vaporizer onto the wires to cut off the dirt upon no account be next to the wires in the manner of everything as they are certainly fragile

Hello the TPS does have an effect upon switching the car into idle mode thus I'd suggest to make clear the throttle dish is 100% closed and not slightly grounded gone carbon. and subsequently become accustomed the TPS for that reason that the IDL fasten is continuous to the E2 pin in imitation of the throttle is closed, and admittance circuit following the throttle is just cracked. Don't badly affect nearly any voltages, the IDL admission is the in fact important one.

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