Shift Lock System: Inspection

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT KEY INTERLOCK SOLENOID
1. Disconnect the solenoid connector.
2. Connect the battery's positive (+) lead to terminal 1 (UN+) and the battery's negative (-) lead to terminal 2 (UN-). Check that the operating noise of the solenoid can be heard.
  If the result is not as specified, replace the solenoid.
  
  Fig 1: Identifying Key Interlock Solenoid Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002