WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Entry and Start System) SYSTEM DESCRIPTION
WIRELESS DOOR LOCK CONTROL SYSTEM
The wireless door lock control system can be used to lock and unlock all doors from a distance. The system is controlled by an electrical key transmitter sub-assembly which sends radio waves to the certification ECU (smart key ECU assembly). The certification ECU (smart key ECU assembly) performs an ID code identification process and operates the door lock control.
MULTI CHANNEL FUNCTION
The wireless door lock control system has a multi channel function. Each time the switch on the electrical key transmitter sub-assembly is pressed, the channel is switched alternately between 2 different frequencies and the signal is sent to the certification ECU (smart key ECU assembly).
FUNCTION OF MAIN COMPONENTS
Component
Function
Electrical key transmitter sub-assembly
Has the lock and unlock switches.
Transmits weak radio waves (recognition codes and function codes) to the certification ECU (smart key ECU assembly).
Illuminates the indicator light (LED) during transmission.
Front door courtesy light switch assembly (for LH)
Front door courtesy light switch assembly (for RH)
Rear door courtesy light switch assembly (for LH)*3
Rear door courtesy light switch assembly (for RH)*3
Back window courtesy switch
Turns on when a door is opened and turns off when it is closed.
Outputs door status signals (open or closed) to the body ECU.
Front door lock assembly LH*1
Front door lock assembly RH*2
The built-in motor locks or unlocks the door.
Transmits the door lock position of driver door to the body ECU.
Front door lock assembly LH*2
Front door lock assembly RH*1
Rear door lock assembly LH/RH*3
The built-in motor locks or unlocks the door.
Transmits the door lock position of each door to the certification ECU (smart key ECU assembly).
Certification ECU (Smart key ECU assembly)
Sends wireless door lock control signals and signals from each ECU.
Receives weak radio waves from the electrical key transmitter sub-assembly.
*1: for LHD
*2: for RHD
*3: for 5 Door
SYSTEM FUNCTION
The electrical key transmitter sub-assembly has lock and unlock switches. Operating these switches activates each function.
The wireless door lock control system has the following functions:
Function
Operation
All door lock
Pressing the lock switch locks all doors.
All door unlock
Pressing the unlock switch unlocks all doors.
Automatic lock
If none of the doors is opened within 30 seconds after they are unlocked by the wireless door lock control, all doors will lock again automatically.
Answer-back (Hazard warning light)
When the doors are locked by wireless operation, the hazard warning lights flash once.
When the doors are unlocked by wireless operation, the hazard warning lights flash twice.
Door ajar warning
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.
Self-diagnostic mode
If the certification ECU receives normal radio waves from the electrical key transmitter sub-assembly when the system is in diagnostic mode, it sounds the wireless door lock buzzer in a normal pattern that corresponds to the function of each switch.