Other information:
NOTE:
The AWD system may be referred to as a 4WD
system or Active Torque Coupling (ATC) system in other service
information, owner literature, or messages located on the message
center.
The All Wheel Drive Systems consists of the following:
PTU (Power Transfer Unit)
RDU
Driveline Control Module (DLCM)
The Power Transfer Unit (PTU) system consists of ..
System Operation
Adaptive Airflow
Some vehicles equipped with electronic throttle control (ETC) have
an adaptive airflow strategy that allows the PCM to correct for changes
in the airflow. During idle, the PCM monitors the throttle angle and
airflow. If the airflow is determined to be less than expected, the PCM
adjusts the throttle angle to compensate.
The PCM
only learns the adaptive a..