Network Message Chart
Module Network Input Messages - Powertrain Control Module (PCM)
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| A/C request | IPC | This message requests the A/C compressor to be engaged. |
| Evaporator temperature | IPC | This message contains the evaporator temperature. The PCM uses the evaporator temperature to cycle the A/C compressor clutch. |
| Ambient air temperature | IPC | This message contains raw value from the Ambient Air Temperature (AAT) sensor. |