ECU codes 320 and 340, possibly bad PCM?

[s15xeds13]

I am having a problem determining for certain what is wrong with a friends car and thought that I would come to the enthusiasts for help. So, now you have a Nissan guy asking for the help of Chrysler fans.

Here is what I know:
-CEL codes 0320 (crank angle sensor), 0340 (cam angle sensor)
-The harness portion of the cam and crank angle sensors are good.
-"+" side of both sensors reads +8v, when plugged into PCM.
-"-" side of both sensors reads +5v, when plugged into PCM.
-Resistance between + and - when unplugged reads "open"
-Signal does not read applied voltages, so that is intact.
-Spark is present on all 4 coil outputs, but is weak and irregular.


What I suspect is that the negative side of these circuits has shorted in the PCM. How likely is this, and is it a common problem?

Looking on the web, I found this ptdoityourself.net PTDIY.net - PT Cruiser Technical Library Part Sixty Two Q&A 1526 - 1550
What is K7?

Thank you for your inputs.