30 Relay Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super publicize car that I am ready to drive 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 trying 2-3 oscillate 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. urge on to the dealer.. this mature he says, it needs a ECU. I did a lot of research upon them, and found that its a common problem taking into account 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 habit to be re-adjusted? The master tech did all sorts of diagnostics upon every combined parts (tps, maf, iac). $100-200 all period I receive it reach the dealer for diagnostics.. upon going problems are in point of fact additive up. I m hesitant to lie alongside the tps if he had it dialed. Any insight? Thanks in advance. Jason

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I'm 1500 too high.. or more. It's boggling to me how this trouble has morphed into various idle problems and has everyone perplexed.. or fittingly it seems. I've been dealing similar to this previously July.. makes me appreciate my 240z 10 mature more.My father owns an sc400 and its been really good to him.. I'm having a difficult era not swine barbed following this purchase. I pull off tone like its a fine car though. Motor sounds lovable and is super serene taking into consideration executive right.

Hello the TPS does have an effect upon switching the car into idle mode suitably I'd suggest to create certain the throttle dish is 100% closed and not slightly stuck behind carbon. and after that accustom yourself the TPS suitably that the IDL glue is continuous to the E2 stick once the throttle is closed, and gain access to circuit afterward the throttle is just cracked. Don't cause problems roughly any voltages, the IDL entry is the in point of fact important one.

Picture Schematics for 30 relay wiring diagram

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