Keyless Access System Description - Components (2014 2015 2016 2017)
RF (Radio Frequency) Unit
The RF unit is composed of the internal RF unit, which is integrated with the keyless access control unit and the RF unit, installed on the rear shelf. It receives signals from the remote.
LF (Low Frequency) Antennas
The front interior, the rear interior, and the rear shelf LF antennas send the signals to the remote placed in the interior. The driver's door, the front passenger's door, the left rear door*, the right rear door*, and the rear bumper LF antennas send the signals to the remote outside of the vehicle.
*: With keyless access function
Door Touch Sensors and Outer Handle Lock Switches
The door touch sensors are built in the each door outer handles, also the outer handle lock switches are built in the driver's and the front passenger's door outer handles. To operate the door locks without the built-in key while carrying the remote, grip the door outer handle to unlock the doors and press the outer handle lock switch to lock the doors.
Remote
The remote is equipped with a keyless transmitter, and all doors can be locked and unlocked by a lock/unlock button operation, even from a remote distance from the vehicle. When the lock button or unlock button is pressed, the keyless transmitter sends the applicable switch signal to the RF unit. After receiving the authentication between RF unit and keyless access control unit, the door lock/unlock signals are sent to the MICU through the B-CAN.
Engine Start/Stop Switch
Pressing the engine start/stop switch button changes the vehicle mode to OFF (LOCK), ACCESSORY, ON, or START mode. The engine start/stop switch also includes an LF antenna. When operating the backup function, engine start/stop switch receives the immobilizer signal from the remote, and sends the immobilizer signal to the keyless access control unit.
Keyless Buzzer
The keyless buzzer located inside the rear bumper sounds when smart entry function.