AWD Control And Fault Indicators

The AWD system consists of a Power Transfer Unit (PTU), driveshaft, front and rear halfshafts, AWD module, RDU with integral RDU coupling. The systems uses the AWD module for AWD control logic. Using inputs from various modules and systems, when the power transfer unit is engaged the AWD module sends a command to the RDU which controls the amount of torque applied to the to the rear wheels. AWD system faults are indicated by a driveline icon indicator in the IPC as well as the AWD malfunction service required message in the message center.