Component Tests and General Diagnostics

INSPECTION

1. INSPECT GARAGE DOOR OPENER




a. 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 system unit.

2. INSPECT GARAGE DOOR OPENER REGISTRATION AND TRANSMITTING

HINT: Use the "Home Link" tester and a tester transmitter for this test. First erase the customer's transmitter code, and then register the tester transmitter code.




a. Check if the tester transmitter code was successfully registered.

HINT: If the code cannot be registered, replace the garage door opener system unit.




b. 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.

c. When the inspection is complete, reregister the customer's transmitter code(s) again.