06 4runner remote start w/factory remote

I am a fairly experienced installer with years of audio and security installs however I am unsure of what I am looking for can be done.  To start off, I like all the functions of the factory keyless; the priority door unlocking, turning off the headlights when the lock button is hit twice in a row and the audible confirmation with the siren it has. 

Now that I want the remote start I am left with a dilema.....how to get the factory remote to work with a remote start.

What I have done:

I bought a Directed Electronics Valet 561r, it has the ability to receive a pulse anywhere from 1-2-3 to activate the remote start therefore there is no need to use the remote supplied with the system.  My plan was to set it for 3 pulses to start this way when I push the lock button once it locks the doors, twice will turn off the head lights and three times to start!  All of this will work and I have already confirmed it by doing the work already.

The problem:

Unlocking the doors!!  It appears that once the 4runner is running the factory keyless receives an input (I believe it is the ignition input wire for the factory keyless??) that prevents the keyless remote from unlocking the doors.  The only way in the car now is by using the key. 

The questions:

Has anyone sucessfully installed a remote start using only the factory remotes on a 06 4runner?  Any idea as to where the factoy keyless module is or if it can be interupted to trick the keyless system into thinking the car is still off and ready to unlock on command?  Does anyone have the wiring diagram for the keyless module on an 06 4runner?  Does anyone have a list of the features that can be changed on the keyless system at the dealership using their scanner?

Any help would be greatly appreciated!!

This is the first factory system that I would have to say that I do not want to part with.  Not exactly sure on the range but it appears to work just fine when I have had the need to use it from a distance, I'll test it later today.  Just too many features to give up with out haveing to spend more time on the install and more money in parts!  I know I can get all of theses features again with a new system but why waste the money and time if you don't have to!  Maybe someone out there has tried this or has access to the data that perhaps I can share to others.