Headliner and Console Antennas

The keyless entry headliner and console antennas have a dual purpose. The antennas are used for both keyless entry and vehicle theft deterrent functions. In their keyless entry function, they are used to locate any keyless entry transmitters within the vehicle. In the antennas theft deterrent functions, they transmit and receive the needed communications with the keyless entry transmitter to enable vehicle starting.

The keyless entry headliner antenna is located under the vehicles headliner. The console antenna is located in the vehicle center console. The use of two antennas and the placement of the antennas is to ensure complete coverage of the vehicle interior. The antennas are controlled by the remote control door lock receiver (RCDLR). These antennas share a driver and are controlled simultaneously by the RCDLR. When the start button is pressed, both antennas send out an identical challenge to the keyless entry transmitter.