SYSTEM DESCRIPTION
1. WIRELESS DOOR LOCK CONTROL SYSTEM
The wireless door lock control system functions to lock and unlock all the doors
from a distance. The system is controlled by a handheld transmitter which sends
radio waves to the door control receiver. The main body ECU (multiplex network body
ECU) performs an ID code identification process and engages the door lock control.
2. FUNCTION OF MAIN COMPONENTS
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Component
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Function
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Door control transmitter assembly
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- Has LOCK, UNLOCK and PANIC switch.
- Transmits weak radio waves (recognition codes and function codes)
to the door control receiver.
- Illuminates the indicator light (LED) during transmission.
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Door control receiver
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Receives weak radio waves (recognition codes and function codes) and
outputs them as code data to the main body ECU (multiplex network body ECU).
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- Front courtesy light switch
- Rear courtesy light switch
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Turns on when a door is opened and turns off when it is closed. Outputs
door status codes (open or closed) to the main body ECU (multiplex network
body ECU).
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Unlock warning switch assembly
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Detects if the key is inserted in the ignition key cylinder or not.
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Door lock position switch
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Transmits the door lock positions of each door to the main body ECU (multiplex
network body ECU).
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Main body ECU (multiplex network body ECU)
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Sends wireless door lock control signals in response to the code data
from the door control receiver and receives signals from each switch.
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3. SYSTEM FUNCTION
The door control transmitter assembly has the LOCK, UNLOCK and PANIC switches.
Operating these switches activates each function.
The wireless door lock control system has the following functions:
HINT:
Part of these functions can be customized.
Click here 
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Function
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Operation
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All door lock
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Pressing the LOCK switch locks all doors.
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All door unlock
(2-step unlock)
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Pressing the UNLOCK switch twice within 3 seconds unlocks all the doors
after the driver's door is unlocked.
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Automatic lock
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If none of the doors is opened within 60 seconds after they are unlocked
by the wireless door lock control, all the doors will lock again automatically.
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Panic alarm
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Pressing the PANIC switch of the transmitter for longer than about 0.8
seconds causes the following alarms to activate:
- Sounds the horn and security horn.
- Flashes the hazard lights, headlights, and taillights.
- Illuminates the front interior light (when the switch is in the
DOOR position).
While the panic alarm is operating, pressing any switch of the transmitter
cancels the alarm operation.
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Answer back
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- When the doors are locked by wireless operation, the hazard warning
lights flash once, and wireless door lock buzzer sounds once.
- When the doors are unlocked by wireless operation, the hazard warning
lights flash twice and wireless door lock buzzer sounds twice.
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Door ajar warning*
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The buzzer sounds when the LOCK switch is pressed when any of the doors
are ajar, and it sounds for 5 seconds continuously. The buzzer stops when
all doors are closed or the UNLOCK switch is pressed.
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Wireless lock function with doors open
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Pressing the lock switch of the door control transmitter assembly while
the door is open causes the door to lock when it is closed.
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Illuminated entry
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When all the doors are locked, pressing UNLOCK causes the interior lights
to come on simultaneously with the unlock operation.
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Self-diagnostic mode
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If the door control receiver receives normal radio waves from the door
control transmitter assembly when the system is in diagnostic mode, it flashes
the interior light in a normal pattern.
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HINT:
- *: When wireless lock with doors open function is set to "ON", this function
is canceled even if set to "ON".
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