[S13 SR20DET] No fire & No injector squirt - S-Chassis.com

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Old 05-06-2014, 09:53 AM   #1
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[S13 SR20DET] No fire & No injector squirt

Hey there!
First of all thank you for reading this and any help is greatly appreciated.
At the end of last summer i decided to pull out the SR20DET out of my 240sx to clean the engine bay and clean up the harness, everything went smoothly and i think i didn't mess anything up but hey, i'm no pro!
So now that the engine is back in i have a few problem, i'm not getting sparks & injector...
i've searched alot on what the ecu should be getting in terms of power and i have found that only 8 wires powers the whole closed SR20DET engine & ECU harness
Here is what i've already checked and is working;

-ECU Pin# 109,47,46,38 is getting +12V power
-ECU Pin# 107,108,48,39 is getting Ground
-The 4 pin plug that goes into the ignitor is getting +15V on each pin (Normal?)
-The LED on the ECU is lighting up
-The fuel is flowing the right way (from the firewall to the regulator) and the pump is working (on an external relay & switch for personal preferences)
-The spark plugs are new
-There is one engine ground (0 awg from the shock tower to the intake manifold)
-All 4 coil packs are getting switched +12V from the middle wire and each ground is working
-The CAS is getting +12V and seems to be working (the reading goes from like 4v to 5v when cranking)
-All grounds not running in the Harness is plugged
-The engine was running fine when i pulled it out, so i don't think the ecu or the ignitor has gone bad

And yet i still have no spark or injector squirt.
Any input on what i should check next?

Here are some wiring guides:

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