Circuit Description
WARNING: This page is about a different car, the 2005 Saturn Ion Red Line, 2005 Saturn Ion 3, 2005 Saturn Ion 2, and 2005 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.
The cellular antenna is connected to the vehicle communication interface module (VCIM) with an RG-58 coax cable. The VCIM polls the data from the cellular antenna once every second.