Yep, I have the same problem, I was able to remove three torx screws and one screw inside, still doesn't have enough slack to take a good look and connect the rod, now I must warn everyone, after messing with all this (without any luck) I guess I messed up the setup now sometime my door doesn't close right and inside manual lock is little hard to lock/unlock. Still looking forward to do it, If I get clear instruction..
Please look at post #7 on the thread I started on 8/21/08 entitled Drivers Door Actuator Replacement. I had the same problem you are having and that post describes in detail what has to be removed in order to manipulate the existing actuator.
Well unless I am not looking at the right thread, post #7 , doesn't have the information you mention, can you be kind and post it again, so we can see.
PS. I love the global nature of the Lexus forums. Isn't it amazing that 3 people (doc2b07, abo and saikaiting) located in Houston, IL and Germany are posting the exact same questions using the exact same pics? Hopefully this post will help all 3 of you at the exact same time.