Network Message Charts
Module Network Input Messages - IPC
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Climate control status | HVAC Control Module | This message contains the HVAC mode status for the mode indicators. |
Module Network Input Messages - PCM
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| A/C request (gateway) | HVAC Control Module | This message requests the A/C compressor clutch to be engaged. |
| Evaporator temperature request | 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 |
|---|---|---|
| Climate control requests (gateway) | BCM | This message contains all climate control system controls requests except blower motor speed. |
| Remote start status | BCM | This message contains the climate control system controls request for remote start. |
| A/C clutch status | PCM | This message contains the A/C compressor clutch status. |
| Ambient air temperature | PCM | This message contains raw value from the ambient air temperature sensor. |