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Im doing a swap into my wrangler and could sure use some help with the ecu wiring... because of the swap conditions Im forced to start from scratch and have this so far.
i can turn the starter
have the glow plug relay hooked up ( on for about 10-15 seconds then kills)
i need to know if there any certain wires on the 22 pin harness that need 12v or grounds
any help would be GREATLY appreciated.
Really you need the wiring diagram because the ecu uses multiple sensors to run the engine. Even with the less important wires not hooked up the ecu won't be too happy and will put you into limp mode. The few wire hook up you want would need either a Toyota or Mitsu manual pump. Or you could hire out the wiring.
yeah, Im realizing that. I have power to everything, but the fuel isnt coming out of the injectors, it just leaks out of the top of the pump....
I'll assume you have the fusebox connected to the engine harness and the batteries and the spill valve relay. This is what I have on the diagram I used on my '94 1KZ-TE
Pin 1 - From 15A ECD fuse
Pin 2, 12 & 13 - Switched power from ECD relay. This also energizes the spill valve relay, the VSV for the EGR and the VSV's and timer for the small butterfly on the throttle body. Of all of that all you REALLY need is the Spill valve relay, but they should all be hooked together in the engine harness by a RED with a Blue stripe wire.
Pin 3 - Output to energize ECD main relay (provides power, other side of relay is grounded)
Pins 11 & 22 - Both these pins need to be connected to the ST1 on the ignition switch (start signal). Pin 11 is connected through the Neutral start switch on an auto tranny and straight to Pin11 on a manual. I think this signal is only HIGH (+12VDC) when the ignition switch is turned to START.
Pin 14 - Connected to Ig2 on igniton switch. 1st position beyond Accessory on a toyota ignition switch.
Make sure the 2 big ground wires on the 26 pin ECU connector (pins 13 & 26) are bolted to the back of the block. If they are loose it won't start.
That should get it running.
i hooked it all up and nothing still.
im getting power to all the sensors
but im still not getting any gas....
i opened one of the injector lines and im not getting anything after a few minutes worth of cranking.. so i dont think its air. it seems like the timing valve isnt letting any fuel through, ideas?
Look over your wiring diagram and make sure you are getting power to all the pins that need it, then check your grounds too.
all of the wires you showed need 12v right? like the nsf?
im running it without the fuse box so theres no relays involved.
i tested the voltage to everything with the ign on and everything is at spec.
where does the start signal originate? im not sure if its going to 11 & 22, my diagrams not here, i will check it out after work. i will try and send you a pic of what i have going on so far. thanks for the help and patience!