Under the passengers seat that is behind the driver.
It's in the rear just above the spare tire. You will need to lower the spare to get access to it
It is probably under the back seats along with all the other tools you need to lower the spare.
under the car in the rear
In the trunk underneath the floor
fill all 5! tires to the proper pressure, even the spare will transmit and trip the light
under the hood behind the spare tire.
If you are wondering where it is located, it is under the hood, underneath the spare tire.
The battery is behind the spare tire, under the bonnet.
Underneath the rear just in front of the bumper.
I had the same problem and solved it by simply going up a guy who had the same truck and borrowed his mechanism. Or you can go to a dealer and get them to lower the spare. I now have the spare in the back. I plan to to hire a welder to make a bracket, to hold the spare outside the vehicle. I find the Toyota system impractical. On a cold, wet dark night on the highway, you don't want to be messing with finding that hole
The spare tire is located in the trunk of your 2004 Toyota. Lift the false bottom of the trunk floor up, to reveal the tire. Unscrew the center retaining nut.
Turn the nut on the rear storage box to loosen the nut