30 PS is the correct tire pressure for a 1999 Toyota Corolla.
The standard spare tire size, for a 1999 Toyota Camry, is 135 R55 15. The spare tire size is smaller than the standard tire size.
The starter is located on the passenger side of the motor rignt under the manifold. You can access it from underneath, or remove the right tire, and you can get to it as well.
Check under the spare tire
go to discount tire
The best air pressure, for your 1999 Toyota, is dependent upon the type and manufacturer of the tire. The best air pressure will be the recommended air pressure by the tire manufacturer.
The correct chains will match the tire size.
Check the drivers door. There should be a name plate there with the standard tire size for the vehicle.
Check the door jam on the drivers side of the 4 Runner you will most likely find a sticker there that tells you the right tires for your 4 Runner.
215 70 R15