Connected ECUs

Several ECUs are connected to each of the two networks. The gauge control module is part of both networks since it is the "gateway" between them. Here is a list of ECUs and the network they are connected to.

B-CAN ECUs 

• Gauge control module
• Relay control module
• Multiplex integrated control unit (MICU)
• Door multiplex control unit
• Combination switch control unit
• Display panel control unit
• HandsFreeLink control unit
• Power seat control unit
• Automatic lighting control unit
• AcuraLink control unit (XM receiver)

F-CAN ECUs 

• Gauge control module
• ECM/PCM
• Navigation unit
• VSA modulator-control unit
• TPMS control unit
• AcuraLink control unit (XM receiver)
• SRS unit
  Fig 1: B-CAN ECUs And F-CAN ECUs Communication Diagram

  Courtesy of AMERICAN HONDA MOTOR CO., INC.