Keyless Entry System Description and Operation: Notes

The keyless entry system is a supplementary vehicle entry device. Radio frequency interference or discharged batteries may disable the system.

Keyless entry allows you to operate the following features:

• The door locks
• The rear compartment lid release-Press and release rear release button to activate.
• The illuminated entry lamps
• The panic alarm
• Remote start

The keyless entry system has the following main components:

• The transmitters
• The body control module (BCM)
• The remote control door lock receiver (RCDLR)-When you press a button on the transmitter, the transmitter sends a signal to the RCDLR. The RCDLR receives the signal and sends a serial data message requesting the appropriate function from the BCM.
• Keyless Entry Antenna which is a coaxial cable that runs from the RCDLR to the back glass. It attaches with a 9 volt battery style connection to a grid on the back glass, this style antenna is used to increase range and performance for Keyless Entry and Remote Vehicle Start systems.