Principles of Operation: Notes
WARNING: This page is about a different car, the 2009 Ford Flex. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM).
Vehicle communication utilizes both the medium and high speed Controller Area Network (CAN) communications. CAN is a method for transferring data among distributed electronic modules via a serial data bus.
The vehicle is equipped with 2 module communication networks:
- High Speed Controller Area Network (HS-CAN)
- Medium Speed Controller Area Network (MS-CAN)