Gateway Function

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Fig 1: ETACS-ECU 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), diagnosis 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.