Try removing both battery terminals and putting them together for about 30 min to reset all modules with key In ignition when cables are being reconnected to battery.
If equipped with cambelt check to see if it has snapped. If it is cambelt new valves would be needed head gasket and head bolts then somebody to replace them for you
Try to look for any electrical fuse problem in your car... from there you can do a visual check in all of your fuse... if it is busted get some expert to help you out... remmember don't do anything if you are not sure about it
Check you have load adjuster in cabin on 0.
if you have recently changed bulbs check they are aligned properly it is quite easy to get some types upside down. The cup shaped bit in the bulb should be under the filament (not on top)
If the old key is worn out and not kicking the lock tumblers over, get the VIN number and registration and take these to the dealer. The dealer will sell you a new key.
transponder ecu is at the center top of dash (above the radio). body ecu is at left side of dash by the junction/fuse box. engine ecu is at the lower side of dash on the right side. hope it helps.
it's dead, jim. time for a troubleshoot and repair. These toyotas are notorious for climate control problems. Either your control panel is broken, or the electronic air blend motor is broken, or some plastic in between.
