Network Message Chart
Module Network Input Messages ACCM
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| A/C compressor requests | HVAC Control Module | This message contains the electric A/C compressor cooling requests. |
Module Network Input Messages HVAC Control Module
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| A/C clutch status | PCM | This message contains the status of the A/C compressor clutch. |
| Ambient air temperature | PCM | This message contains raw value from the ambient air temperature sensor. |
Module Network Input Messages PCM
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| HVAC A/C request | HVAC Control Module | This message requests the A/C compressor to be engaged. |
| Evaporator temperature | HVAC Control Module | This message contains the evaporator temperature. The PCM uses the evaporator temperature to determine the A/C compressor output. |
Module Network Input Messages SOBDMC
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| A/C compressor request (gateway) | HVAC Control Module | This message contains the electric A/C compressor cooling requests. |
| Cabin coolant heater request | HVAC Control Module | This message contains the cabin coolant heater ON requests. |