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). |
ACCESSORY PROTOCOL INTERFACE MODULE (APIM) AND FRONT CONTROLS INTERFACE MODULE (FCIM) 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 the illumination level of the backlighting sources that are hardwired to the Body Control Module (BCM). |
DRIVER DOOR MODULE (DDM), PASSENGER DOOR MODULE (PDM), IMAGE PROCESSING MODULE - B (IPM-B) AND HVAC MODULE NETWORK INPUT MESSAGES
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Illumination dimming level | IPC | Used to command illumination level of the Medium Speed Controller Area Network (MS-CAN) modules. |