2001 S - SAI Pump test

[jrhboxsters]

I'm sure this has been beat to death somewhere in the forum, but I can't find the answer.
Sorry if this is old news, but... How do you test to see if the Secondary Air Injector pump is bad. I'm trying to cut to the chase and figure out how to apply a 12v power source directly to the pump to see if it functions at all, bypassing all the relays, sensors valves, etc, etc, etc
I have already checked the fuse in the rear trunk, and it's good
Thanks -

[jrhboxsters]

I have already checked the fuse in the rear trunk, and it's good