97 Lexus Sc400 Ecu Wiring Diagram

I have a 2004 ES330 considering a hestitation problem. It is good from a full end but similar to I go roughly speaking turns on onto highway ramps, with I distress the accellarator (sp?) it hesitates for 2 seconds in the past reving up. I ve taken it to a mechanic and he says it is normal. I have an 2003 Avalon when the thesame engine and it jumps off the start and has no hesitation. Mechanic s Assistant: Will the headlights point of view on? Is the battery thoroughly charged? With or without headlights on. Relatively supplementary battery. Mechanic s Assistant: What is the model of your 04 Lexus? ES330 Mechanic s Assistant: Are you fixing your vehicle yourself? What have you tried for that reason far? I ve cleaned the MAF sensor. Checked for associates in the intake. afterward I put my Turbo OBDII app on, anything seems good except that the TPS stays constant around 30%. This is a drive-by-wire model so it has not throttle cable or usual TPS. I take the TPS is integrated bearing in mind the throttle controller/motor. Mechanic s Assistant: anything else you desire the mechanic to know in the past I attach you? No, I guess that is it.

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Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a tiny more not quite the suffering history. It currently has a master tech approved idle ventilate govern valve and tps installed. without distressing anything, the last (used) ecu and my original, would direct in the car without this symptom.

taking into consideration I begin the car, the engine surges occurring amongst 1200 and 2000 rpm encourage and forth. I misused the IAC and the TPS when no change in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to acclimatize the idle rapidity screw to belittle the rpm and it would retain for a while. Now, the engine is each time surging to the narrowing where I cannot steer it for scare of broken to the drive train. Any experienced solution?

Photo Schematics for 97 lexus sc400 ecu wiring diagram

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