Hi there. I found this link on youtube. Although it is a 2008 Avalon ,in the link they both have the same start up diagnosis. Goodluck jo
https://youtu.be/GucI1TA8cr8
You have a battery problem change your battery and every thing will work after try it its worted
SOURCE: Some kind of eletrical problem
unhook the batt and let it sit for a few mins while the batt is off turn on headlights running lights and press the horn to drain any residual power from the computer, then rehook it , this almost sounds like a bad switch or wire harness
SOURCE: 1997 toyota conquest 1.8. Turn indicators are scrambled.
Have a look at your relay and fuses. But you may not apply DIY method because this needs an expert hands-on. Needs to trace where the wires were wrongly connected.
Rate this please.
SOURCE: left no lights on inside
Battery is likely dead. Check alternator for charge current. Suspect alternator has failed. If you have a voltmeter, check voltage at battery after jumpstart and removing jumper cables (I'm assuming the engine will run for at least a few seconds). Voltage should be at least 14 vdc. If not replace alternator. If you don't have a voltmeter, you can remove the alternator and take it to the parts store to be checked. Any more questions, please reply.
SOURCE: dash board lights starting flashing,
Sound like a short in the electrical system. do you have nay water getting in to the interior of the vehicle. Water getting behind the instrument panel?
These are Security and/or Immobilizer System Indicator symbols used by manufacturers. One of these symbols lights momentarily to indicate that the ignition switch is locked and will need the proper transponder-equipped key to re-start. The vehicle is immobilized otherwise. Green symbols will flash when the vehicle is immobilized. 
If the symbol is visible when the vehicle is on, it indicates a malfunction in the security system. If the engine does not start with the correct key, and the security indicator remains on, the system may have a malfunction. You will need to contact your dealer in either case.272 views
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