Toyota Tundra. Manual — part 379

need to be replaced, or 2) the system you are trying to register may not be compatible
with the garage door opener.



Some transmitter's signals stop after 1 to 2 seconds. For these types of transmitters: 1)
press and hold one of the garage door opener switches, and 2) press and release (cycle)
the transmitter switch every 2 seconds. Check if the transmitter code was successfully
registered.



After entering the garage door opener registration mode, transmitter code registration
must be completed within 90 seconds. If 90 seconds elapse, the garage door opener
will enter low power mode (refer to "low power mode" in step b).

Fig. 5: Timing Chart Of Registration Mode
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Erase transmitter codes in the garage door opener clear mode.

HINT:

All 3 registered transmitter codes will be erased. No option exists for only erasing one transmitter
code.

1. Press and hold the left and right switches of the garage door opener for 20 seconds. The LED

will begin to flash at a cycle of 5.6 Hz.

Releasing the switches will end clear mode.

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT Garage Door Opener - Tundra

Fig. 6: Identifying Switches
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:



If the switches are released within 10 seconds after the transmitter codes have been
erased, the garage door opener will enter registration mode.



If the switches are held for 10 seconds or more after the transmitter codes have been
erased, default codes will be set to the switches of the garage door opener. Using these
default codes, operation of the garage door opener can be checked using a tester.

Fig. 7: Timing Chart Of Clear Mode
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Low power mode:

1. If a garage door opener switch is held for 100 seconds or more, the garage door opener will

enter low power mode to economize on power consumption. When the garage door opener
has entered low power mode, the LED turns off.

ON-VEHICLE INSPECTION

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT Garage Door Opener - Tundra

1. INSPECT GARAGE DOOR OPENER

a. 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. If the fuse and wire harness are
malfunctioning, replace them. If not, replace the garage door opener.

2. INSPECT GARAGE DOOR OPENER REGISTRATION AND TRANSMITTING

HINT:

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

Fig. 8: Identifying Garage Door Opener Switch
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

HINT:

If the code cannot be registered, replace the garage door opener.

Fig. 9: Identifying Original Transmitter
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Press the garage door opener switch that was registered to the tester transmitter. Check if the

"HomeLink" tester's green LED illuminates.

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT Garage Door Opener - Tundra

Fig. 10: Pressing Garage Door Opener Switch
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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.

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT Garage Door Opener - Tundra