If it hasn't been posted already, Rockauto.com has the FSM for sale in digital format. You can't download if from them, rather you get a USB stick in the mail. Cool thing is, the stick is the shape of a car key.
Here's the link to the 4th gen manual. It covers 2003-2009. More focused on the 06 and up, but I haven't had any issues finding what I need for my 2004.
More Information for DAVE GRAHAM 03T4RUC
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RCI Armor, CBI Bumper, WARN EVO winch, Triple Lockers, Sherpa Rack, MR312 Wheels on MT Baja Boss Tires
Build Thread: https://www.toyota-4runner.org/4th-g...der-build.html