http://www.toyodiy.com/parts/
YES, Toyota has two brands under its name, Lexus and Scion. So, depends on what model you have, you will notice Toyota parts and Toyota-made engines on your Lexus.
A diagram of which all the parts of picture have been labelled by their name is known as labelled diagram for e.g. in the diagram of human body the parts like head neck limbs are labelled
internaltractor pinon shaft
Powerpoint
J.C. Higgins is an old brand name used by Sears.
I found the diagram by googleing courtesy Nissan parts and searching forthat part name in the interior parts.
The products are sold by RC-Brushless: Boat parts, trucks, airplanes parts, engines, radio systems, chemicals and adhesives, field equipment, helicopter parts, to name a few.
You can order pretty much any replacement part from the internet. There are certain parts that you can only get from a Toyota dealer, however there are now numerous Toyota dealers that sell parts over the internet. I always comparison shop using google's "shopping" link. I hate to name a specific site, but a lot of people use Rockauto, decent prices and their site can help you find the name of a part you are looking for. You can also find many parts on eBay. Once you know a specific part number you can google it.
Victor Toyota's birth name is Victor Tsugio Toyota.
There is no "proper name" for an electrical diagram. They are commonly called circuit diagrams.
venn diagram
name five search engines