Inner Rear View Mirror: Inspection

INSPECT INNER REAR VIEW MIRROR ASSEMBLY
1. Inspect operation of the electrochromic inner mirror.
  1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2.
  2. Attach black colored tape to the forward sensor to prevent it from sensing.
  3. Light up the mirror with an electric light, and check that the mirror surface changes from bright to dark.
  Standard:
  
  Mirror surface changes from bright to dark
  
  If the result is not as specified, replace the mirror assembly.
  
  Fig 1: Inspecting Inner Rear View Mirror Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002