Other information:
Insulation
WARNING:
To prevent the risk of high-voltage shock, always follow
precisely all warnings and service instructions, including instructions
to depower the system. The high-voltage system utilizes approximately
300 volts DC, provided through high-voltage cables to its components and
modules. The high-voltage cables and wiring are identified by orange
harness tape or oran..
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 clut..