Toyota Tundra Service Manual: Operation Check

OPERATION CHECK

NOTICE WHEN CHECKING THE FOLLOWING

(a) Operation conditions (with customize item "Wireless Lock Function with Doors Open" or "Wireless Lock When Door Opened" "ON"):

(1) This wireless door lock control function operates only when the following 2 conditions are met:

• There is no key in the ignition key cylinder.
• The power door lock system is operating properly.

  HINT:

  The unlock function operates even when a door is open.

(b) Operation conditions (with customize item "Wireless Lock Function with Doors Open" or "Wireless Lock When Door Opened" "OFF"):

(1) This wireless door lock control function operates only when the following 3 conditions are met:

• There is no key in the ignition key cylinder.
• All doors are closed.
• The power door lock system is operating properly.

  HINT:

  The unlock function operates even when a door is open.

(c) The size of the wireless door lock control operation area differs depending on the situation.

(1) The size of the operation area differs depending on the user and the way the door control transmitter assembly is held.

(2) In certain areas, the wireless door lock control function will only operate partially for the operation area, which will be reduced due to the vehicle body shape and the influence of the surrounding environment.

(3) Since the door control transmitter assembly uses weak radio waves, strong radio waves or electrical noise in the frequency used by the door control transmitter assembly may reduce the size of the operation area and the remote control may not function.

(4) When the transmitter battery is weak, the size of the operation area is reduced and the remote control may not function.

HINT:

If the door control transmitter assembly has been left in a place that is exposed to direct sunlight, such as on the instrument panel, it may cause the transmitter battery to be weakened or cause other related problems.

CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS

NOTICE:

The operation check below is based on the non-customized initial condition of the vehicle.

HINT:

• The switches described in this text are the switches for transmitting signals. The switches are built into the door control transmitter assembly.
• All the functions listed below must be checked in comparison with the remote control operation area.

(a) Make sure that the vehicle is in an area that allows the wireless control function to operate.

(b) Check basic functions.

(1) Check that all doors lock when the lock switch is pressed.

(2) Check that all doors unlock when the unlock switch is pressed.

(c) Check the chattering prevention function.

(1) Check that the corresponding operation occurs only once and is not repeated continuously while the switch is held. However, when the switch is operated repeatedly at 1-second intervals, check that the corresponding operation is carried out.

(d) Check the automatic locking function.

(1) Check that the doors relock automatically as long as none of the doors have been opened or all doors have not been locked within approximately 60 seconds after all doors are unlocked by pressing the unlock switch.

(2) Check that the automatic locking function does not operate when any door has been opened within approximately 60 seconds of unlocking the doors by pressing the unlock switch.

(3) Check that the automatic locking function does not operate when all doors have been locked manually (such as using key linked operation, or by pressing the lock switch) within approximately 60 seconds of unlocking the doors by pressing the unlock switch.

(e) Check the switch operation fail-safe function.

(1) Check that the doors cannot be locked/unlocked when operating a switch on an unregistered door control transmitter assembly, but the doors can be locked/unlocked when operating a switch on the registered door control transmitter assembly.

(2) Check that the doors cannot be locked/unlocked when a switch is operated with the key inserted into the ignition key cylinder. This does not apply when registering the identification code.

(f) Check the door ajar warning function.

HINT:

When wireless lock with doors open function is set to "ON", this function is canceled even if set to "ON".

(1) Check that the wireless door lock buzzer sounds for approximately 5 seconds when the lock switch is pressed with any of the doors ajar or open.

(g) Check the wireless lock with doors open function.

HINT:

When this function is set to "ON", door ajar function is canceled even if door ajar function is set to "ON".

(1) Check that the doors are locked by performing a wireless lock operation with any door open.

(2) Check that answer-back (buzzer sounds) occurs when the wireless operation is performed and answer-back (hazard light flashes) occurs when the doors are closed.

(h) Check the repeat function.

(1) Check that all doors attempt to automatically lock once again 1 second after the lock switch has been pressed while the driver door control knob is being held in the unlock position.

(i) Check the answer-back (hazard warning light) function.

(1) When the lock switch is pressed, check that the hazard warning lights flash once simultaneously with the locking operation of all doors.

(2) When the unlock switch is pressed, check that the hazard warning lights flash twice simultaneously with the unlocking operation of all doors.

(j) Check the answer-back (wireless door lock buzzer) function.

(1) When the lock switch is pressed, check that the buzzer sounds once simultaneously with the locking operation of all doors.

(2) When the unlock switch is pressed once, check that the buzzer sounds twice simultaneously with the unlocking operation of the driver door.

(k) Check the door lock stop function that operates when a door is open/ajar.

HINT:

When wireless lock with doors open function is set to "ON", this function is canceled.

(1) With a door open or ajar, check that the doors cannot be locked when the lock switch is operated.

HINT:

The doors can be unlocked even when a door is open or ajar.

(l) Check the panic alarm control function.

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(m) Check the illuminated entry function.

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