Additional Wiring
WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
For complete wiring diagrams, refer to:
SYSTEM WIRING DIAGRAMS for 300.
SYSTEM WIRING DIAGRAMS for Charger.
SYSTEM WIRING DIAGRAMS for Magnum.
Some controllers communicate with other controllers over the CAN C BUS. The Electronic Shift Module (ESM) continuously monitors BUS activity and reads the messages it needs. The CAN C BUS is also used to communicate the MIL status to the Engine Controller.
For CAN BUS diagnostic procedures, refer to DIAGNOSIS AND TESTING .