Ignition Key Cylinder Light: Inspection

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT IGNITION KEY CYLINDER LIGHT
1. Remove the transponder key amplifier (ignition key cylinder light).
2. Connect the battery positive (+) lead to terminal 2 and negative (-) lead to terminal 6.
3. Check that the light comes on.
  OK: Comes on
  
  If the light does not come on, replace the transponder key amplifier (ignition key cylinder light).
  
  Fig 1: Identifying Ignition Key Cylinder Light Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002