Aem won't sync to CAS? no spark at all, need help.

[tayloray]

Okay, so i bought a built sr that came with an aem standalone series 1 (pn: 1601) It was already tuned for the setup, and in a running car. the dude crashed the car, sold it to this guy, and i bought the motor setup off him. I took the motor partially apart to verify the build/ make sure everything was good.

I have it in the car, it came pre wired into an engine harness i got with the motor, everything's wired up but i'm having issues starting it.

I'm new to AEM's and doing some research on the aem forum i've seen that people have issues syncing the cas to the aem, i followed those steps and changed it from rising to falling, on the crank, verified the mx setting, but when i pull up the engine start it says that the "stat" is off, when it needs to be on for the engine to start? , So i was hoping some AEM guru's might have some insight on here first so i could get started on trying to figure it out.

I'm not gwtting spark, but when trying to start it with just starter fuid it did shoot a fire ball out of the intake, which it also did after letting the car sit for an hour just when i turned the ignition to on :wtf: not sure what's ignighting the starter fluid when i'm not getting any spark.

I've tried using the 1601 map base map, sill nothing. Not sure what's going on, when i try to start it the stat always stays at off.

Info on the motor
272 bc cams ti springs/retainers
precision 6262
greddy intake
top feed rail, i believe 750cc injectors that i'm assuming are low impedence because they have a resistor box wire in
spitfire coil pack setup
aem 3.5bar map
cp pistons/eagle rods
darton 90mm sleeves
cas has a clear cover so i'm not sure if it's a hitachi or a mitsubishi (read that the hitachis are the ones with the sync problem)
wire for ait, but i don't currently have one

Please no bashing about how i shouldn't have bought a built motor i didn't see run or any of that, i got a really good deal, and it is what it is.

Any input would be greatly appreciated, thanks.

[tayloray]

okay, so it turns out, the plugs randomly spark a couple times when i turn the key on and off. again :wtf:

[compactfean]

Accidentally switch cas's? does the cas have the aem disc in it? And what voltage does you're battery drop to when cranking? Aem doesn't like anything under like 11v while cranking.

[tayloray]

Accidentally switch cas's? does the cas have the aem disc in it? And what voltage does you're battery drop to when cranking? Aem doesn't like anything under like 11v while cranking.

Havn't checked voltage while cranking, but it was pretty strong. The thing that really has me confused is the plugs sparking when i turn the ingnition on and off, they do it every single time unless the ecu is disconnected, or the ignitor is. The wiring runs through the stock ingnitor, and then runs through the spitfire box, not sure how all that's supposed to work. i took a break from trying to start it when i got a huge fireball to the face.

[compactfean]

Anyone pull the cas? You may just be off a tooth on the cas. (especially with the backfire from the intake)

[tayloray]

Anyone pull the cas? You may just be off a tooth on the cas. (especially with the backfire from the intake)

well, with the plugs out, in the coil packs, i get no spark at all. i'm thinking bad cas?

[compactfean]

Possibly, you get injector pulse? Id pull the cas and with the key on spin the gear, if you have injector pulse (and should be consistent) than cas is good. If you get neither, then bad cas.

[tayloray]

Took the cas out,tried it on a friends car, it his injectors clicked and he got spark. Tried the igniter too. Same thing. Really unsure what it is at this point.

[compactfean]

Only thing I can think of is maybe you don't have the aem cas disc.

[tayloray]

On aem's sight it says that the trigger wheel not being aem will only cause high rpm break up problems

[compactfean]

One more reason I don't like aem. Lol. The unit have good power and ground? You set all the base parameters? I know on my emu you can't adjust anything until all the base settings are put in. does aem have a tech support?

[FAST-DATSUN]

Check voltage at the coils center wire.. has to be more than 10.6 to start..
With CAS out do injector and plugs work???? If not could be wiring or computer