Bmw Power Seat Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super present car that I am ready to drive off a cliff. had a idle surge problem that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After bothersome 2-3 rotate 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. yet had issues. support 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 pain when this car.. bought a used one.. more trouble. had the indigenous 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 obsession to be re-adjusted? The master tech did every sorts of diagnostics upon every similar parts (tps, maf, iac). $100-200 all time I receive it realize the dealer for diagnostics.. on going problems are in point of fact adding up up. I m in two minds to touch 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 upon the expose flow meter and said it was good. in the same way as I unplug it and direct the motor, the car runs unfriendly and at 850ish. I can deserted guess that my new 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 manage in the alternative of rpm though? I think it isolated adjusts it approximately 1k..

bearing in mind I begin the car, the engine surges going on between 1200 and 2000 rpm support and forth. I tainted the IAC and the TPS bearing in mind no correct in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to get used to the idle rapidity screw to humiliate the rpm and it would hold for a while. Now, the engine is for eternity surging to the reduction where I cannot steer it for distress of damage to the steer train. Any experienced solution?

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