DIS and DIST ref pulse

[Ward Spoonemore]

Generally the DIS to ECM/PCM signal is the same as a DRP, Distributor
Reference Pulse, active on the falling edge.

Engine starting is handled by the DIS module with out help form the ECM/PCM.
This is because of the very ling periods between DRP's.
Ward

> -----Original Message-----
> From: owner-diy_efi at efi332.eng.ohio-state.edu
> [mailto:owner-diy_efi at efi332.eng.ohio-state.edu]On Behalf Of Bruce
> Plecan
> Sent: Friday, March 05, 1999 10:30 AM
> To: diy_efi at efi332.eng.ohio-state.edu
> Subject: Re: DIS and DIST ref pulse
>
>
>
> -----Original Message-----
> From: Doug Mansfield <mansfield at cns.ohiou.edu>
> To: Do-it-Yourself Fuel Injection Mailing List
> <diy_efi at efi332.eng.ohio-state.edu>
> Date: Friday, March 05, 1999 1:10 PM
> Subject: DIS and DIST ref pulse
>
>
> >I understand the DIS/IDI systems use a sync pulse each revolution of the
> >crank, but with Ted's recent SyTy experiments, it seems that the ECM does
> >not use this sync pulse?
>
> Sync pulse is for SEFI, batch fired don't use it.
> Bruce
>
>  Does the DIS module "consume" this pulse?
> >I guess what I am really getting at is what does the signal that goes to
> >the ECM look like from a DIS v. DIST system compared to the signal that
> >goes to the module.  Are they 5v?  When do they go high/go low?  Does the
> >module create the pulse for the ECM or does the reluctor?
> >Thanks for any insight.
> >Doug
>
>