Circuit/System Description
WARNING: This page is about a different car, the 2011 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
The telematics communication interface module receives information from the cellular phone and digital radio antenna located on the outside of the vehicle. The cellular phone and digital radio antenna is connected to the telematics communication interface control module via a shielded coaxial cable. The antenna cable also provides a path for DC current for powering the cellular phone and digital radio antenna.