Other information:
System Operation
Principles of Operation
Power Transfer Unit (PTU) Operation
The PTU has four (4) modes of operation: Connected, Connecting,
Disconnected, and Disconnecting. Each mode is commanded by the AWD
module. The power transfer unit contains a reversible DC
motor and two hall effect position sensors...
When the engine is cold, check the
concentration and level of the coolant at
the intervals listed in the scheduled
maintenance information.
Note: Make sure that the coolant level is
between the minimum and maximum marks
on the coolant reservoir.
Note: Coolant expands when it is hot...