It can be primary power fuse is blown, which should be a 100amp fuse under the hood or under the dash. could also be corroded battery contacts or loose power contact somewhere. Here's what I found out I had the same problem, and it was a loose connection behind the drivers side fuse box.(That in the cab, down by your feet)the wires that connect to the Ignition fuse I promise!
Solenoid or battery *Check the alternator as well. When my Camry did that, the battery and alternator both needed replacement. -andey78
remove the neg battery cable then the wires on the starter. Then take out the mounting bolts and work the starter out.
Remove a battery connector. Remove the starter and put another in it's place.
before you begin to change the starter make sure you check the battery & alternator are in good condition .the starter located under the left side of the battery . first you need to remove the battery and then remove 2 long screw and unhook the electric cable connector .voila -you got it . pretty easy to do .good luck .
how to replace alternator on Toyota 4 runner 1996
Check fuses first. If fuses are good, check the voltage from the negative battery cable to where the wire bolts onto the back of the alternator. (With the engine running). If you can't reach the back of the alternator, then measure across the posts of the battery. Voltage should be about 14 volts DC. If lower than that, replace the alternator. When you replace an alternator, it's a good idea to replace the battery, as a precaution.
How to replace a starter in a 2009 toyota sienna
Check spark plug wires, and voltage on the distrubutor.
remove battery and tray, two, 17mm or 18mm bolts hold starter on. one on top of starter and one on bottom
disconnect the battery source first, disconnect the wiring on the alternator, then loosen the bolts on the mounts to loosen the belt. then loosen and remove the bolts. remove the alternator, and replace with new one.
Remove the battery and the cruise control actuator. The starter has two bolts holding it in. Remove the bolts and wiring, then install the new starter. Re-install the cruise control and battery.
check the distributer cap