boardjunkie wrote:
>
> As per sublect line.....no spark. Verified crank sensor working (.7v
> pulses), swapped ignition module with a known good one, and have 12v at
> the module input. I know from past experience that a bad coil van
> completely knock out the spark on the rest of the coils....tried using
> 1 coil at a time with all 3.....no dice.
> Does the ECM control the generation of coil pulses at cranking or just
> after it gets out of open loop operation? Haven't checked for the pulse
> input and output at ECM yet...that's next. BTW...the voltages and
> grounds at ECM are OK. Need to check for the 5v reference for the
> sensors that use it to verify the 5v regulator in the ECM is ok.
> Any thoughts?
>
> Travis.

Perhaps this article will be of help:
http://www.motorage.com/motorage/art...l.jsp?id=20037