Integrated Circuit Display
WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
The integrated circuit display contains the odometer, trip odometer, and compass display on base IC and the message center display on message center IC . The compass module (part of the interior rear view mirror) is hardwired to the IC . The odometer information is transmitted from the PCM over the communication network to the IC . The IC displays the appropriate message(s) upon receipt of the compass heading and odometer data received.