2.7.4. Stage V CAN bus overview

Description

The EEM4F Electronic Engine Management system contains three different CAN buses.

CAN 2 / CAN C Ancillary bus 250kbps

All the CAN actuators are present in the ancillary bus shown in figure Ancillary bus

../../_images/CAN2_Ancillary_2501.png

Ancillary bus

The diagnostic connector is located in the ancillary CAN bus, and the connector is in accordance with the SAE 1939 standard.

CAN 0 / CAN A Powertrain bus 250kbps

The powertrain bus is for connecting the EEM4 to the vehicle’s electrical system. The bus shown in figure Powertrain bus
../../_images/CAN0_powertrain_2501.png

Powertrain bus