KEYLESS ENTRY SYSTEM CONSTRUCTION/OPERATION

• Consists of the following parts;

- PJB

- Keyless control module

- Transmitter

- Front door latch and lock actuator

- Rear door latch and lock actuator

- Liftgate latch and lock actuator

• The following operations can be performed using the transmitter when away from the vehicle (approx. 2.5 m {8.2 ft}):

- Lock all doors (by pressing the LOCK button.)

- Unlock all doors (by pressing the UNLOCK button.)

• With the double-locking function, when the lock button is pressed twice within 3 s, unlocking the door with the door lock knob is inhibited.

• An auto-locking device has been adopted that automatically locks the doors if any of the following operations are not performed within 30 s of pressing the transmitter UNLOCK button:

- Any door is opened.

- The door is locked/unlocked using the door key cylinder.

- The door is locked/unlocked using the driver-side door lock knob.

- The key is inserted the steering lock.

• In order to prevent accidental operation when driving, pushing any transmitter button will have no affect when the ignition switch is at the ON position.

• In response to transmitter operation (lock/unlock), the hazard warning light flashes to enable visual verification of operation.

- When the transmitter LOCK button is pushed, the hazard warning light flashes once.

- When the transmitter UNLOCK button is pushed, the hazard warning light flashes twice.

• The self-diagnostic function of the keyless entry system is accessed by combined operation of the following parts, allowing for verification of the keyless entry system operating status. For the start-up procedure of the self-diagnostic function, refer to the Mazda3 Workshop Manual.

- Key reminder switch

- Any door latch switch