Network Message Chart
INSTRUMENT PANEL CLUSTER (IPC) NETWORK INPUT MESSAGES
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Illumination dimmer position | BCM | Used to communicate the desired illumination level based on input from the dimmer switch. |
| Ambient light level | BCM | Generated from autolamp/sunload sensor input. Used to determine illumination strategy (night, day, or day with lights on). |
APIM, FCIM AND FCDIM NETWORK INPUT MESSAGES
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Illumination dimming level | IPC | Used to command illumination level of the Infotainment Controller Area Network (I-CAN) modules. |
BODY CONTROL MODULE (BCM) NETWORK INPUT MESSAGES
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Illumination dimming level | IPC | Used to command hard-wired illumination sources. Also a gateway message to Medium Speed Controller Area Network (MS-CAN) modules. |
DRIVER DOOR MODULE (DDM), PASSENGER DOOR MODULE (PDM) AND IMAGE PROCESSING MODULE - B (IPM-B)
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Illumination dimming level | BCM | Used to command illumination level of the Medium Speed Controller Area Network (MS-CAN) modules. |
HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) MODULE
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Illumination dimming level | IPC | Used to command the illumination level of the HVAC module. |