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. |
| HVAC evaporative 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 HVAC control module
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Ambient air temperature | PCM | This message contains the filtered ambient air temperature information. |
| A/C clutch status | PCM | This message contains the status of the A/C compressor clutch. |
| Climate control requests | FCIM | This message contains all climate control system controls requests except blower motor speed. |
| Climate control requests, rear | RHVAC | This message contains rear climate control system controls requests. |
| Remote start status | BCM | This message contains the climate control system controls request for remote start. |
Module Network Input Messages RHVAC module
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Climate control requests | FCIM | This message contains all climate control system controls requests except blower motor speed. |