System Diagram

WARNING: This page is about a different car, the 2018 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of SUBARU OF AMERICA, INC.

Courtesy of SUBARU OF AMERICA, INC.

Courtesy of SUBARU OF AMERICA, INC.

LIST OF COMMUNICATION LINE

ECM transmission (transmitter)	ECM reception (receiver)	Signal	Line
Collation ECM (smart key computer ASSY)	Main body ECM (multiplex network body ECM)	Wireless door lock signal	CAN
Main body ECM (multiplex network body ECM)	Combination meter ASSY	Hazard warning signal	CAN