Keyless Entry: Description and Operation

WIRELESS DOOR LOCK CONTROL

SYSTEM OUTLINE

In this system, the door lock control receiver receives weak radio wave transmitted from the transmitter built-into the ignition key and outputs the signal to the theft deterrent ECU. Through communication control of the theft deterrent ECU and door ECU etc. , all the doors and the luggage door can be locked and unlocked by the remote control.

1. NORMAL OPERATION

- Lock operation
When the lock SW on the transmitter is pressed, all the doors are locked.

- Unlock operation
When the unlock SW on the transmitter is pressed once, only the driver door is unlocked. When the unlock SW is pressed again within 3 sec., all the doors are unlocked.

- Luggage door unlock operation
When the luggage door unlock SW is kept pressed for approximately 1.0 sec. or longer, the luggage door is opened.

2. AUTO LOCK FUNCTION
If the door is not actually opened within 30 sec. after the door has been unlocked by pressing the unlock SW on the transmitter, all the doors are automatically locked. If any of the following conditions is detected, the auto lock does not function.
- Any door is opened.
- The ignition key is inserted into the ignition SW.
- When the lock detection SW of all the doors are locked.

3. WIRELESS DOOR LOCK STOP FUNCTION
If any of the following conditions is detected, the wireless door lock does not function.

- Lock operation
Any door is open (The door courtesy SW is on).
The ignition key is inserted into the ignition key cylinder (The unlock warning SW is on).
The ignition SW is turned to the ON position.

- Unlock operation
The ignition SW is turned to ON position.

- Luggage door unlock operation
The ignition SW is turned to ON position.

4. ANSWER BACK FUNCTION
- When the doors are locked by wireless operation, the buzzer sounds once and the hazard lights blink once.
- When the doors are unlocked by wireless operation, the buzzer sounds twice and hazard lights blink twice.
- When the luggage door is unlocked by wireless operation, the buzzer sounds once.
- When the doors are locked by wireless operation with each door open (Courtesy SW ON), the buzzer sounds. If all the doors are closed, doors are unlocked by wireless operation or buzzer keeps sounding for 10 seconds, the buzzer sounding stops.

5. ILLUMINATED ENTRY FUNCTION
If the doors are unlocked when all the doors are locked, the room light is turned on.

6. PANIC MODE FUNCTION
When the lock switch on the transmitter is kept pressed for approximately 2.5 sec., the theft deterrent ECU receives the signal and enters the panic mode. The theft alarm goes on upon receiving the signal, the theft deterrent ECU, and the headlights and taillights flash through the communication of the theft deterrent ECU and door ECU etc. At this time, when any SW on the transmitter is pressed, the panic mode is cancelled, the theft alarm is stopped, and the headlights and taillights go off.

7. REPEAT FUNCTION
If the lock detection signal in response to the output signal is not received after theft deterrent ECU has output the lock signal, the lock signal is output again after approximately 1 sec.