Circuit Description
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
When the theft deterrent system is preparing to set, this circuit turns on the indicator light. When the system has been set, it continually turns the indicator light on for 1 second and turns it off for 1 second, and thus blinking the indicator light.
This theft deterrent indicator send a key judgment of the immobilizer to the transponder key ECU.