Control System Logic

When the customer inputs an A/C request into the information and center display screen or by voice command, the APIM sends the request to the GWM over the HS-CAN3. The request message is then sent from the GWM over the MS-CAN to the HVAC module. Vehicles with a 12.3 inch center display screen, the A/C request can also be inputted through the HVAC module auto control head the request is sent to the GWM over the MS-CAN MS-CAN. The GWM relays the request to the SOBDMC over the FD-CAN (Flexible Data Rate Controller Area Network), and the request message is sent to the ACCM electric compressor over the HS-CAN1.

For a list of all the network messages, Refer to: Controller Area Network (CAN) Module Communications Network - Electric - System Operation and Component Description .