$6E is for MAF cars, yours is Speed Density (SD) and uses the $8D program.
You were using a PC to read a Mac program (sort of), apples and oranges.
get the $8D files and you'll be fine.
Check your com port settings as described in the driver installation.
On the AutoProm, Confirm the horizontal switch is towards the inside (AP mode) outside is cable only. Will log in either position, emulation only works in AP mode.
Load your ADS, select file to record (will ask you to enter a file name, not look for one).
Click connect and go.