Owners Manual
Page 312
...substitute to purchase a set of spare fuses and keep them in your vehicle for each circuit. Good Blown 312 2003 MY SIENNA (OM45410U) If you are blown, they must be causing the problem. Turn the ignition switch and inoperative component off. The location of the same amperage, use it .... If you do not work, check the fuses. Pull a suspected fuse straight out and check it...
...substitute to purchase a set of spare fuses and keep them in your vehicle for each circuit. Good Blown 312 2003 MY SIENNA (OM45410U) If you are blown, they must be causing the problem. Turn the ignition switch and inoperative component off. The location of the same amperage, use it .... If you do not work, check the fuses. Pull a suspected fuse straight out and check it...