Section 471 (Garage Door Opener System): Inspection

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT GARAGE DOOR OPENER
1. Press the switch and check that each 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: Pressing Switch And Checking Each Red LED Turns On
  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: Checking Tester Transmitter Code Successfully Registered
  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) again.
  
  Fig 3: Pressing Garage Door Opener Switch Registered To Tester Transmitter
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002