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Vs l67 with ls1 coil driver box no injector pulse

Posted: Tue Apr 14, 2020 5:42 pm
by Willipede
Hi everyone i have just put my engine back into my vs commodore, i have done an ls1 coil conversion using the coil driver box

I have got the coils working but have no injector pulse

I have wired the rpm reference for the coil driver box to the tacho signal, is that correct or is it supposed to go to one of the cas 3x or 18x references?

Also for some reason i am not able to bridge the pins for diagnostics mode or get my aldl cable to connect to my laptop

Re: Vs l67 with ls1 coil driver box no injector pulse

Posted: Wed Apr 15, 2020 11:12 am
by ejukated
Is vats deleted on the memcal? could be a security system issue

Re: Vs l67 with ls1 coil driver box no injector pulse

Posted: Tue Apr 28, 2020 9:30 am
by Willipede
I don't think its got vats deleted, my security light turns off and i can unlock the car with the key button

I have swapped the ecu with another one again
And had an auto electrician look at my wiring
Ecu has power and ground but is not connecting to the aldl

Ive looked into it some more and found that i get fuel pump prime but it turns off when cranking and also no injector pulse but they do have constant 12v

Re: Vs l67 with ls1 coil driver box no injector pulse

Posted: Tue Apr 28, 2020 9:33 am
by Willipede
The auto electrican plugged his snap on scan tool in and could pick up a signal from the bcm but nothing from the ecu

Is there anyone recommended i can send the loom and ecu ect to who knows about commodores and preferably has done a coil driver box before

Re: Vs l67 with ls1 coil driver box no injector pulse

Posted: Tue Apr 28, 2020 1:44 pm
by vs ss
It’s probably obvious but have you check the three different power sources to the pcm?
Fuse # 25
Fuse # 10
Fuse # 9

Just read your first post again. If it’s got pump and spark it won’t be fuse 25.

Re: Vs l67 with ls1 coil driver box no injector pulse

Posted: Wed Apr 29, 2020 1:27 am
by j_ds_au
Willipede wrote:I don't think its got vats deleted, my security light turns off and i can unlock the car with the key button

I have swapped the ecu with another one again
And had an auto electrician look at my wiring
Ecu has power and ground but is not connecting to the aldl

Ive looked into it some more and found that i get fuel pump prime but it turns off when cranking and also no injector pulse but they do have constant 12v
Unlocking is done by the BCM, so that just tells you that that's paired to the key. It doesn't tell you if the PCM has VATS disabled (or is paired to the BCM). AFAIK.

Joe.

Re: Vs l67 with ls1 coil driver box no injector pulse

Posted: Wed Apr 29, 2020 9:49 am
by delcowizzid
Vs is not paired to the bcm you can swap any vs ecu in there no worries

Re: Vs l67 with ls1 coil driver box no injector pulse

Posted: Wed Apr 29, 2020 9:17 pm
by delcowizzid
I'll gi e you the same advice as the other guy check the dash loom is plugged into the engine loom by the ecu

Re: Vs l67 with ls1 coil driver box no injector pulse

Posted: Sat May 02, 2020 1:44 am
by j_ds_au
delcowizzid wrote:Vs is not paired to the bcm you can swap any vs ecu in there no worries
Eh? So you don't need to disable VATS with a substitute PCM/ECU?

Joe.

Re: Vs l67 with ls1 coil driver box no injector pulse

Posted: Sat May 02, 2020 10:34 am
by vs ss
Correct. The code isn’t set for a specific pair, so as long as you have a bcm and pcm together it will pass.
Vt onwards is when they became paired to each other.