Garage Door Opener System: Inspection

INSPECT GARAGE DOOR OPENER
1. Press each switch and check that the red LED turns on. If one or more of the switches does not turn on the LED, confirm normal operation of the fuse and wire harness, then replace the garage door opener.
  
  Fig 1: Identifying LED Of Garage Door Opener
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT GARAGE DOOR OPENER REGISTRATION AND TRANSMITTING
HINT:

Use the KENTMORE home link tester and a tester transmitter for this test. First erase the customer's transmitter code, and then register the tester transmitter code.
1. Check if the tester transmitter code was successfully registered.
  HINT:
  
  If the code cannot be registered, replace the garage door opener.
  
  Fig 2: Pressing Original Transmitter
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Press the garage door opener switch that was registered to the tester transmitter. Check if the home link tester's green LED illuminates.
  HINT:
  
  If the green LED does not illuminate, replace the garage door opener.
3. When the inspection is complete, re-register the customer's transmitter code(s).
  
  Fig 3: Identifying Home Link Tester
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002