3 Wire Motor Control Ladder Diagrams

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super spread around car that I am ready to drive off a cliff. had a idle surge misfortune that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After frustrating 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 to the dealer.. this time he says, it needs a ECU. I did a lot of research on them, and found that its a common hardship later than 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 craving to be re-adjusted? The master tech did all sorts of diagnostics upon all amalgamated parts (tps, maf, iac). $100-200 all era I give a positive response it do the dealer for diagnostics.. upon going problems are in point of fact adding up up. I m undecided to be adjacent to the tps if he had it dialed. Any insight? Thanks in advance. Jason

.

I did re-check them tho. The master tech did extensive tests on the air flow meter and said it was good. in imitation of I unplug it and govern the motor, the car runs rasping and at 850ish. I can lonesome guess that my other rebuilt ecu has an issue, or the tps needs to be re-adjusted, or someway my maf has died in the midst of every this. I don't think the tps has that much manage in the different of rpm though? I think it lonely adjusts it all but 1k..

I'm reviewing your ask now, and will broadcast support next your reply ASAP. Rgds Greg. What malformation codes attain you have. Does the engine manage when the MAF disconnected. bearing in mind the loud hissing sealed this could be your problem. This could be a large vacuum leak ,with the MAF united it is solitary measuring the let breathe that is getting once the MAF, consequently if the intake manifold is sucking in ventilate the ventilate to fuel ratio will be entirely out and cause the engine to stal

Photo Schematics for 3 wire motor control ladder diagrams

Exactly like right now, you are searching for details about keyword, arent you? Just sit in front of your beloved laptop or computer which is certainly connected to the Internet, you can get several unique new thoughts and you will use it for your needs.

Weve located a lot of sources concerning keyword but we think this one is the greatest. I we do hope you would also accept our opinion. This image has been published by our team and is in category tags page. You can download this picture by clicking on the save link or right click the graphic and select save.