Anti theft system

2011 TOYOTA TACOMA
82,000 MILES • 2.7L • 4 CYL • 2WD • AUTOMATIC
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J CARL CHAFIN
  • MEMBER
  • 1 POST
had dead battery/would not jmp start/got new battery/wont start/horn honking been trying the millions of suggestions on Google to re set the security system. actually started yesterday two times but not sure exactly what i did. started to unlock trunk today/horn honking and no start since. manual windows and door locks.bought truck two years ago. Two sets of keys one with non functional fob/other plain.99% of time use plain key.any suggestions would greatly appreciated!
Jul 2, 2019 at 1:40 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,176 POSTS
First thing I would do is make sure the battery cables are tight and clean. here is a guide to help:

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

If okay can I ask if the security light is flashing when you try and crank the engine over? If so here is a guide to help reset the system

https://www.2carpros.com/articles/how-to-reset-a-security-system

Please run down these guides and report back.
Jul 3, 2019 at 5:01 PM
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