Go to this website. It will show how to remove the door panel.
On a late model 02 you have two screws to remove, one behind door handle and one up by the piller once removed lift up on door panel
the battery is in front of the tire on the passenger side. Remove the plastic cover in front of the tire
Yes
Under the front passenger seat.Under the front passenger seat.
In front of the passenger side front tire. Remove the fender liner to access.In front of the passenger side front tire. Remove the fender liner to access.
Front passenger sideFront passenger side
Check under the front passenger seat.Check under the front passenger seat.
In the right front passenger footwell , it's the interior trim panel in front of the front door , by the passengers feet
Remove front passenger seat on Lexus es300?
Front passenger side of the motor.Front passenger side of the motor.
There is a detailed guide with lots of pictures here: http://www.carboneracing.com/fender.html
There is bolts under the hood and also in the door jamb
remove the 4 nuts, one on each leg of the seat and unplug any wiring harnesses under the seat and pull out the seat.