System Description
- This system locks and unlocks the vehicle's doors remotely. The wireless control system has the following features:
- The door control receiver performs the code identification process and the door control relay operates the door lock control. A serial data link is provided for communication between the door control receiver and the door control relay.
- A key ring type transmitter is used and it contains the following 3 switches: the door lock switch, door unlock switch and panic switch.
- An LED (light emitting diode) is mounted on the transmitter and illuminates when the battery is depleted.
- The wireless door lock control system has the following functions:
WIRELESS DOOR LOCK CONTROL SYSTEM FUNCTIONS
| Function | Outline |
|---|---|
| All door lock operation | Pressing LOCK switch locks all doors |
| All doors unlock operation (2-step unlock operation) | Pressing UNLOCK switch twice within 3 seconds unlocks all doors after drive side door is unlocked |
| Answer-back operation | Hazard warning lamps flash once when doors are locked and flash twice when doors are unlocked to inform that operation has been completed |
| Panic alarm operation | Holding down PANIC switch sets off theft deterrent alarm (horn sounds, headlamps and hazard warning lamps flash) |
| Automatic lock function | If none of doors are opened within 30 seconds after they are unlocked by wireless door lock remote control, all doors will lock again automatically |
| Repeat function | If door cannot be locked in response to locking operation of transmitter, door control relay will output a lock signal after 1 second |
| Illuminated entry function | When all doors are locked, pressing UNLOCK switch causes room lamp to illuminate simultaneously with unlock operation |
| Security function | Sends operation signal as rolling code |
| Switch fail-safe function | When key is in ignition key cylinder or any door is not closed completely, wireless door lock control is temporarily cancelled to prevent misoperation |
| Transmitter recognition code registration function | Enables registering (writing and storing) 4 types of transmitter recognition codes in EERPOM that is built into in door control relay |
| Self-diagnosis | Determines whether or not signals sent from transmitter during diagnostic mode is normal and operates room lamp in accordance with switches that have been held down |