Below is wiring diagram for computer data lines, including the DLC:
all you initially asked for was a wiring diagram, which I provided.
Pin 16 is battery voltage
pin 3 is CCD Bus voltage
pin 7 is SCI transmit
Here is ABS test for no communication:
The no comuunication test for PCM/ECM is longer, so I put it in pdf file format(adobe reader)
Click to open and download> NO COMMUNICATION TEST