This system locks/unlocks the doors remotely. The wireless door lock control system has the following features:
The certification ECU performs the code identification process and the main body ECU controls the door locks. A serial data link is provided for communication between the certification ECU and main body ECU.
A key-integrated type transmitter is used and it contains the following 3 switches: lock switch, unlock switch and luggage switch.
An LED is mounted on the transmitter to show if the battery is depleted.
FUNCTION OF MAIN COMPONENTS
| Component | Function |
|---|---|
| Door control transmitter |
|
| Door control receiver | Receives weak electric waves (recognition codes and function codes) from door control transmitter via electrical key antenna and changes waves to code data. |
| Front door courtesy light switch Rear door courtesy light switch Luggage compartment door courtesy switch*1 Back door courtesy switch*2 |
Turns on when door is open and off when door is closed. Outputs door status (open or closed) to main body ECU. |
| Door lock position switch | Transmits door lock positions of each door to main body ECU. |
| Wireless door lock buzzer | Sounds when door ajar warning function is operating. |
| Certification ECU | Matches code data with registered code and outputs code data to main body ECU. |
*1: for Sedan
*2: for Wagon
SYSTEM FUNCTION
The wireless door lock control system has the following functions:
| Function | Outline |
|---|---|
| All door lock function | Pressing the lock switch locks all the doors. |
| All door unlock function | Pressing the unlock switch unlocks all the doors. |
| Chattering prevention function | If a switch is pressed, the corresponding switch operation is performed once. If a switch is held down, the corresponding switch operation occurs only once and does not repeatedly activate. Lastly, when pressing a switch at 1 second intervals, the corresponding operation activates once for every press of the switch. |
| Luggage compartment door*1 or back door*2 open function | Pressing the luggage switch unlocks the luggage compartment door*1 or back door*2. |
| Answer-back function - Hazard answer-back |
When the doors are locked, the hazard warning lights flash once. When the doors are unlocked, the hazard warning lights flash twice. |
| Automatic lock function | If no doors are opened within 30 seconds after they are unlocked by the door control transmitter, all the doors lock again automatically. |
| Fail-safe function | When the key is in the vehicle, the doors cannot be locked by the lock switch. |
| Illuminated entry function |
|
| Door ajar warning function | If any door is open or ajar, pressing the lock switch causes the wireless door lock buzzer to sound for approximately 10 seconds. |
| Transmitter recognition code registration function | Enables 7 modes for registering (writing and storing) transmitter recognition codes in the EEPROM. |
*1: for Sedan
*2: for Wagon