Door Lock Switch System

[sex]

Anyone know how to determine what type of factory door lock circuit the 2009 Yaris have?

[CTScott]

If you mean positive or negative pulse, it is negative.

[sex]

Thanks alot CTScott!! The alarm manual gave 8 different types and I narrowed it down to either:
-Three wire (+) 12 volt pulse controlling factory lock relays or
-Three wire (-) ground pulse contrlling factory lock relays.

Will post more further updates after installing the alarm. Thanks again CTScott!