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. The motor moves the shift
fork which connects or disconnects the dog clut..
Item
Description
1
Front evaporator shutoff valve
2
High voltage battery coolant cooler
3
Electric booster heater
Plug-In Hybrid Electric Vehicle (PHEV)
Item
Description
1
Cabin heater coolant temperature sensor
2
Cabin coolant heater
3
Cabin heater coolant diverter valve
4
Cabin heater coolant pump
..