Gateway Function: Notes

Fig 1: ETACS Communication Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

As a central ECU for the on-vehicle communication network system established in the vehicle, the gateway function is integrated into ETACS-ECU. The gateway function offers the following functions:

• Data transfer among four networks*

  Transfers the data flowing in a network to another network in real time.

  NOTE: *: CAN-C (power train network), CAN-B (middle-speed body network), LIN (low-speed body network), diagnostics CAN-C (diagnosis exclusive network)
• Diagnosis of each network communication line Detects and stores an open circuit and short circuit of communication line.
• Communication error diagnosis of network ECUs Detects and stores the ECU that is not properly transmitting data.