Other information:
System Operation
System Diagram - Exterior, Power
Item
Description
1
DDM
2
PDM
3
Motors
4
LH exterior mirror
5
Exterior mirror control switch
6
LH front door window control switch
7
Motors
8
RH exterior mirror
Network Message Chart
Module Network Input..
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. The motor moves the shift
fork which connects or disconnects the dog clutch..