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..
Overview
Before beginning any service procedure in this manual, refer to health
and safety warnings in section 100-00 General Information. Failure to
follow this instruction may result in serious personal injury.
WARNING:
Before servicing any tire, ask the customer if anyone
injected a tire sealant into the tire. Tire sealants may be flammable
and can burn or explode if exposed..