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We got it to idle by connecting starter and the 4 fuel wires. Howoever, when we connected the wires as per the guide nothing happens, so we wired the wires directly onto 12v line and it worked. Anybody have any idea why it didnt work when wired correct as per the guide?

Does anybody have any idea where the problem is when the fuel pump does not engage when connected like the guide suggest? Is it a broken relay, fuse or something? When I connect the wires directly to 12v the fuel pump activates and works, but when I connect them the way they are suppose to they...

So this will work right (basicly original system with catc tank inbetween)? :))

A well built garage. Hidden GPS unit in the car. Motion detector alarm in the garage. Three steel pillars from the ground that activates with the alarm (like the ones outside embassies etc.) Motion detector lightbeams outside the garage. If somebody ventures outside your garage at night...

Posting for a friend that I am helping getting 1JZ Soarer (non-VVTI, twinturbo) with automatic transmission to Supra 1989 model with manual transmission. We have been using the "How to wire 1JZ onto MA71 89+" guide. Which wires do we have to wire to get it to idle only? Just to test and...

Unplugging the ISCV should result in bungy-jump idle of 1500 RPM to 2000 RPM.

Sorry for late response. I have checked both ISCV. They do tick but they do not move at all. I Talked to Toyota Norway and a new ISCV is like 1500 DOLLARS! OMFG! Anybody have a used one or something? That price is ridicilous! Also got the car checked at Toyota. They checked the ignition...

I have two ISCV. I checked the one not in the engine, hooked up the middle wires with + and touched the other four one at a time with -. I could hear a "click", but the valve (thingy in the middle) does not move. Will check the ISCV in the car as soon as I can to check result.

What is IDL? What does this mean? :1zhelp: :P

How did this go? I am having the same kind of problems. Mine does this too when the ISCV is not connected.

I coldstarted it now without the ISCV connected. It went straight up to 1500 RPM and slowly increased to 2000 RPM where it sat for a minute or so before bungie jumping down to 1500 RPM and up to 2000 RPM and repeat.

Also, is there suppose to be vacuum from those two in the pictures? I plugged them when the car was on and I didn't feel anything.

Yea the TB is fully closed. I even tightend it more to see if it would improve more. TB is still closed. Now when I start the engine when its warm it does not die. It idles rough at 500 RPM for half a minute then goes to 800 RPM. Will try tonight or tomorrow when the engine is cold to see how...

Do you literaly mean squising it? With or without ISCV connected? Btw, this is the acceleration wire right and the black one is for cruise control? I tighten them both a little and now the thing idles roughly at 500 RPM and up to 800 RPM after 5-10 seconds. Did I break anything? :P

I didn't understand this. Is IAC and ISCV the same thing? What hose goes to the turbo from the ISCV? Language barrier and acronym dyslexia here.

I tried it now, 2 hours after (?). However it is 35 celsius outside, so it is warm in Norway. :P It went up to 2000 RPM, stood there for 20-25 seconds before falling down to 1700 RPM and up to 2000 RPM, *REPEAT*. (It probably got warm fast due to temperature in the sun). Will try again...

I will as soon as the engine cools down.

I unplugged the ISCV when the engine is warm. And it idles like this, 1200 RPM to 1700 RPM, then down to 1200 RPM to 1700 RPM. Up and down, up and down. *REPEAT* So it "idles". :P EDIT: If the ISCV is plugged in while engine is warm, it goes up to 1200 RPM and dies.

Yea I can drive it fine if I keep RPM up, but as soon as I let go it dies when the engine is hot. Did 10minutes lap around the block, problem still persists.

The engine won't idle when it's warm, but it idles 20-30 sec and dies when cold. A friend of mine suggested that I should tighten the idle wire since the car runs when I hit the pedal.