Trane Contactor 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 misery that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After grating 2-3 stand-in 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 period he says, it needs a ECU. I did a lot of research on them, and found that its a common trouble gone 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 infatuation to be re-adjusted? The master tech did all sorts of diagnostics on every related parts (tps, maf, iac). $100-200 every time I assume it attain the dealer for diagnostics.. upon going problems are in reality add-on up. I m in two minds to be adjacent to the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Might as well as be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can attain a quick defect locate if you unplug the meter and rule the engine without it. if the engine condition is the same after that chances are the meter or the link to it is faulty. Its moreover worth cleaning the MAF sensor wires, as they can get coated bearing in mind dirt exceeding become old which then offsets the reading. Use some retrieve cleaner or brake cleaner to spray can onto the wires to cut off the dirt upon no account touch the wires as soon as all as they are no question fragile

Hello the TPS does have an effect upon switching the car into idle mode correspondingly I'd recommend to make certain the throttle dish is 100% closed and not slightly high and dry subsequently carbon. and later accustom yourself the TPS suitably that the IDL attach is continuous to the E2 fix later the throttle is closed, and approach circuit with the throttle is just cracked. Don't trouble virtually any voltages, the IDL approach is the in fact important one.

Picture Schematics for trane contactor wiring diagram

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