lemon-mirror:
Home >> Scion >> 2009 >> xB Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Wireless Door Lock Control System >> System Description

System Description

  1. WIRELESS DOOR CONTROL SYSTEM DESCRIPTION 
    1. The wireless door lock control system functions to lock and unlock all the doors from a distance. The system is controlled by a hand-held transmitter which sends radio waves to the door control receiver. The main body ECU performs an ID code identification process and engages the door lock control.
  2. FUNCTION OF MAIN COMPONENTS 
    FUNCTION OF MAIN COMPONENTS

    Components Functions
    Door control transmitter
    • Contains LOCK, UNLOCK and PANIC switches
    • Transmits weak radio waves (recognition codes and function codes) to the door control receiver
    • Illuminates indicator light (LED) during transmitter
    Door control receiver Receives weak radio waves (recognition codes and function codes) and outputs them as code data to the main body ECU
    Door lock position switch Transmits the door lock positions of each door to the main body ECU
    Unlock warning switch Detects if key is in ignition key cylinder
    • Front door courtesy light switch
    • Rear door courtesy light switch
    • Back door courtesy light switch
    Turns ON when door is open and turns OFF when door is closed Outputs door status (open or closed) to main body ECU
    Main body ECU Sends wireless door lock control signals in response to the code data from the door control receiver and signals from each switch
  3. SYSTEM FUNCTION 
    1. The door control transmitter has the LOCK and UNLOCK switches. Operating these switches activates each function. The wireless door lock control system has the following functions.

      HINT.

      The default settings of the following functions are ON. Part of these functions can be customized (See CUSTOMIZE PARAMETERS  ).

      FUNCTION OUTLINE

      Function Outline
      All door lock function Pressing LOCK switch locks all doors
      All door unlock operation (2 step unlock operation) function Pressing UNLOCK switch twice within 3 seconds unlocks all doors after driver side door is unlocked
      Answer-back function
      • Hazard warning lights flash once when doors are locked, and flash twice when doors are unlocked to indicate that operation has been completed
      • Wireless door lock buzzer sounds once when doors are locked and sounds twice when doors are unlocked to inform that operation has been completed
      Automatic locking function If no doors are opened within 60 seconds after being unlocked by wireless transmitter, all doors are locked again automatically
      Door ajar warning function If any door is open or ajar, pressing LOCK switch will cause wireless door lock buzzer to sound for about 10 seconds
      Illuminated entry function If locked doors are unlocked through wireless operation, room light illuminate If one of following situations occurs, lights fade out
      • Within 15 seconds, doors are not opened and doors are locked through wireless operation
      • Within 15 seconds, key is inserted into ignition key cylinder and ignition switch is turned ON
      • No operations or actions are performed within 15 seconds
      Panic function Pressing PANIC switch for more than 0 8 seconds sounds vehicle horns and blinks hazard warning lights, headlights, taillights, turn signal lights
      Transmitter recognition code registration function Enables the registration (writing and storing) of 6 types of transmitter recognition codes in the EEPROM that is contained in the door control receiver
  4. CONDITIONS THAT WIRELESS FUNCTIONS DO NOT OPERATE 
    1. Lock operation is not available when:
      • Any of the doors is open.
      • The key is inserted in the ignition key cylinder.
    2. Unlock operation is not available when:
      • The key is inserted in the ignition key cylinder.