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System Description

  1. WIRELESS DOOR LOCK CONTROL SYSTEM DESCRIPTION 
    1. This system is a convenient system for locking and unlocking all the doors at a distance. The wireless control system has the following features:
      • In this system, the door control receiver performs the code identification process and the multiplex network body ECU operates the door lock control. A serial data link is provided for communication between the door control receiver and the multiplex network body ECU.
      • with Power back door:

        A key-integrated type transmitter is used. It contains the following 3 switches: the LOCK (PANIC) switch, UNLOCK switch and PWR DOOR (power back door) switch.

      • without Power back door:

        A key-integrated type transmitter is used. It contains the following 3 switches: the LOCK switch, UNLOCK switch and PANIC switch.

      • A LED (Light Emitting Diode) is mounted on the transmitter to indicate if the battery is discharged.
    2. The wireless door lock control system has the following functions:
      OUTLINE FUNCTION TABLE

      Function Outline
      All-door lock operation Pressing the LOCK switch locks all doors
      All-door unlock operation (2-step unlock operation) Pressing the UNLOCK switch twice within 3 seconds unlocks all doors after driver's door is unlocked
      Answer-back operation
      • Hazard warning lights flash once when doors are locked and flash twice when doors are unlocked to indicate that the operation has been completed
      • The wireless door lock buzzer sounds once when doors are locked and sounds twice when doors are unlocked to indicate that the operation has been completed
      Panic alarm operation (with Power back door) Holding down the LOCK (PANIC) switch for longer than about 3 seconds sets off the theft deterrent alarm (the horn sounds, headlights, taillights and hazard warning lights flash)
      Panic alarm operation (without Power back door) Holding down the PANIC switch sets off the theft deterrent alarm (the horn sounds, headlights, taillights and hazard warning lights flash)
      Automatic lock function 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
      Illuminated entry function When all doors are locked, pressing door UNLOCK causes the interior lights to come on simultaneously with unlocking operation
      Door ajar warning function If any door is open or ajar, pressing LOCK will cause the wireless door lock buzzer to sound for about 10 seconds
      Transmitter recognition code registration function Enables registering (writing and storing) of 4 types of transmitter recognition codes in the EEPROM that is built into the body ECU
      Self-diagnosis If there is a malfunction in the system, the body ECU sets a DTC in its memory
      Repeat function If a door is not locked in response to the locking operation of the transmitter, the body ECU will output a lock signal after 1 second
      Security function Sends an operation signal as a rolling code
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