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
• MICU-rear junction box
• Power tailgate control unit
• Power seat control unit
• Left power sliding door control unit
• Right power sliding door control unit
• A/C control panel/Front climate control unit
• Automatic lighting control unit
• HandsFreeLink control unit

F-CAN ECUs 

• Gauge control module
• PCM
• VSA modulator-control unit
• ACM
• TPMS control unit
• SRS unit
  Fig 1: Body Controller Area Network (B-CAN) And Fast Controller Area Network (F-CAN) Communication Diagram

  Courtesy of AMERICAN HONDA MOTOR CO., INC.