Network Message Chart
MODULE NETWORK INPUT MESSAGES - AWD SYSTEM
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Terrain display request | ATCM | Provides the IPC with ATCM switch mode via the HS-CAN . |
| Terrain mode command | ATCM | Provides the IPC, ABS module and PCM with ATCM switch command via the HS-CAN . |
| ePRNDL mode | IPC | Provides the AWD system with gear selector mode via the HS-CAN . Data is used by the PCM in determining AWD system operation. |
| Wheel speed data | ABS | Provides the AWD system with wheel speed data via the HS-CAN . Data is used by the PCM in determining AWD system operation. |
| AWD and off road message displays | PCM | Provides the AWD system mode information to the IPC via the HS-CAN . |
| Illumination dimming level | BCM | Used to command the illumination brightness level of the ATCM switch via the HS-CAN . |
| Vehicle lateral acceleration | RCM | Provides the AWD system with lateral acceleration data via the HS-CAN . Data is used by the PCM in determining AWD system operation. |
| Vehicle longitudinal acceleration | RCM | Provides the AWD system with longitudinal acceleration data via the HS-CAN . Data is used by the PCM in determining AWD system operation. |
| Vehicle roll sense | RCM | Provides the AWD system with roll sense data via the HS-CAN . Data is used by the PCM in determining AWD system operation. |
| Vehicle yaw rate | RCM | Provides the AWD system with yaw data via the HS-CAN . Data is used by the PCM in determining AWD system operation. |
| Steering wheel component angle | ABS | Provides the AWD system with steering wheel angle data via the HS-CAN . Data is used by the PCM in determining AWD system operation. |
| AWD minimum lock torque required | ABS | The PCM provides the ABS module with its current clutch duty cycle and determines whether or not the brake system takes command of the ATC solenoid duty cycle via the HS-CAN . |
| AWD maximum lock torque required | ABS | The PCM provides the ABS module with its current clutch duty cycle and determines whether or not the brake system takes command of the ATC solenoid duty cycle via the HS-CAN . |
| Hill descent control active/standby status | ABS | Used to command when the hill descent control lamp should be on or in standby mode via the HS-CAN . |
| Terrain mode status | ABS PCM |
Confirmation of change in mode provided by the ABS module and the PCM to the ATCM via the HS-CAN . |
| Terrain mode ready for change | ABS PCM |
Indicates the availability to change of the ABS module and the PCM to the ATCM via the HS-CAN . |
| Engine off status | BCM | Provides the ATCM with engine mode via the HS-CAN . When the ignition is switched to on, the ATCM system starts in Normal Mode. |
| Engine RPM | PCM | Provides engine RPM data via the HS-CAN . Data is used by the AWD system to help determine torque application. |