Inner Rear View Mirror: Inspection

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

INSPECT INNER REAR VIEW MIRROR ASSEMBLY (w/EC Mirror)

Fig 1: Inspecting Inner Rear View Mirror Assembly (W/EC Mirror)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Check operation of the electrochromic inner mirror.
  1. Connect the battery positive (+) lead to terminal 9 and the negative (-) lead to terminal 10.
  2. Attach black colored tape to the forward sensor to prevent it from sensing.
  3. Shine an electric light on the mirror. Check that the mirror surface changes from bright to dark.
    HINT:
    
    When the environment is very bright, the antiglare operation may occur immediately after the tape is applied.
    
    If the result is not as specified, replace the mirror assembly.