Security System 2010 Toyota Sienna On Board Diagnostic System. The electronics controlling the anti-theft security alarm system built into a Toyota Sienna minivan can malfunction and refuse to arm/disarm as it must. At last, an affordable and convenient solution to a cracked Key Fob case.
Even if old data remained, your vehicle's computer would wait until it detected the same fault a second time before turning on the check engine light. Historically strong resale value adds to the Sienna's appeal. The security system consist of immobilizer, ECU and transponder key.
And there's a choice of two different seating configurations.
To my knowlege, Toyotas don't work that way.
If nothing happens or the engine starts and dies, the security light will be flashing. Most of the cars are likely to respond. These are the most popular ways to solve the problem of anti theft system car wont start.