The driver side mirror electric motor for folding the mirror will not shut off. I was driving around, and stopped at Home Depot for a while, came out started the vehicle and the motor for the mirror was running none stop. I had to fold them in to stop it from running. I couldn't figure out what fuse is for the outside power mirrors or how to access (with out damaging somthing) the mirrors motor or wiring to trouble shoot it.
Any help would be appreciated.
The motor itself is not replaceable. You have to replace the whole mirror assembly.
Side Mirrors
Electric, cable operated, or manual? In any case remove the driver side door panel, on the inside of the car in the fender side corner where the mirror mounts, you will either have a small phillips screw holding the mirror backin on, or it may have plastic tabs, and can be gently popped off using a flat blade screwdriver. Once the door panel, and inside mirror mount cover are removed, you should see three 10mm nuts, arranged in a triangular pattern behind the inside mirror cover. If the mirror is electric, after removing the three 10mm nuts and slowing pulling the mirror off on the outside, you will see the wiring connector for the mirror, unsnap the tab and remove the mirror. On a note occasionally it may be easier to undo the mirror if the window glass is all the way down. If the mirror is manual, just remove the three 10mm nuts and remove the mirror. If it is a cable operated mirror, with the "joystick" to adjust it on the inside, once the three 10mm nuts are removed, on the inside portion of the inside back of the mirror, the "joystick" is held to the back cover by a small metric allen screw, with the right sized allen loosen this screw, but not all the way out. After it's loosened sufficiently the "joystick" assembly should slide right out of the cavity it's in. Be careful when removing mirrors, often times there is a rubber grommet that any wiring or "joystick" slips through.
to open the door
Tools: small pocket size screwdriver, long screwdriver, phillips head screwdriver.
First, remove the small screw cover behind the door handle then remove the screw next, remove the screw cover and screw near the hinge on the top portion of panel then, remove the screw cover and screw under the arm rest/handle, next there are two plastic pop rivets on the latch side of the panel that must be popped out, finally using a long screwdriver pry under the panel on the sides and bottom to release the plastic pop rivets that are hidden inside. After all of these are removed push the panel up toward the window as is is hanging from the top.
To replace, make sure all plastic pop rivets are attached to the door panel, if not remove them from the door and attach them to the panel. Rehang the panel and align the door handle and make certain the wires are all behind the panel then smack the panel with your hand where the plastic rivets are located then replace all screws and screw covers.
also
I discovered that the only way to stop is was to hold the button halfway down that folds the mirrors inward. I used a toothpick as a wedge to keep the button in the halfway down position. I have scheduled an appointment to have the mirror control button assembly replaced. The cost of the part alone is about $150.00.
Power for the Remote Control mirrors runs thru the 15 amp CIG fuse, under the dash. Remove the fuse, the mirror should stop working. This will also eliminate the power to your aux power points.
Please feel free to respond back, I can send you a PDF of the entire mirror wiring diagram to assist you with your diagnosis.
BTW, looking at the wiring diagram, I do NOT see ANY relays for the mirror system. Please do not bother to look for something that does not exist, as advised by another "expert".
A complete and concise solution is as follows, as opposed to the other solutions given:
Power runs thru the 15 amp Cig fuse to the mirror control assembly, that is def not a joystick.
The power wire to the controller is Pink. The retraction switch sends power down the Yellow wire to the mirrors; inside the mirrors there are 3 motors (2 for the mirrors, the other for the retraction feature), 2 diodes, a resistor, and 2 switches, one normally open, the other normally closed.
The Mirror Return wire is Green. Identifying where the power is with a testlamp will easily solve this problem.
The Green Wire did it!!!! Thank you Toyota Ed :) I unplugged the driver mirror, pull out the green wire, and now the folding motor is shut off. The passenger side mirror still folds, and I can fold the driver side mirror manually. You saved me a lot of money!
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Check out the control switch module.
You will need to replace mirror and there is a relay under the hood
Why hasn't anyone suggested that the mirrir control switch may be defective, the contacts may be burnt or stuck, so the mirror is not the issue, this mirror is over $100, the switch maybe $20, try the switch 1st.
Power Dr Mirrors Diagnosis & Testing
Fig. Removing cover trim and nut
Removing cover trim and nut
Fig. Removing mirrored glass from assembly
Removing mirrored glass from assembly
Fig. Removing connectors and screws holding mirror motor
Removing connectors and screws holding mirror motor
Fig. Reattaching mirror and electric motor connectors
Reattaching mirror and electric motor connectors
WARNING: Place a shop towel between the exterior rear view mirror glass and the hand to avoid personal injury in the instance of glass breakage. 
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Where can I find the information on how to remove and replace the mirror? Also what relay/fuse is it for the power mirrors?
The answer I recieved was kind of a no brainer,
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