Electric Controlled Coupling

The AWD control module supplies command current to each electric controlled coupling (AWD solenoid).
Each of control clutch is engaged by electromagnet and torque is detected in control clutch.
The cam operates in response to control clutch torque and applies pressure to main clutch.
Each of main clutch transmits torque to right and left rear wheels according to pressing power.

Fig 1: Electric Controlled Coupling Operation Diagram
Courtesy of NISSAN NORTH AMERICA, INC.

NOTE: Change each pressing power according to AWD mode status and cornering conditions.
- Transmission torque to the right and left rear wheels is determined according to command current.
  
  Fig 2: Electric Controlled Coupling Torque Versus Current Characteristic Graph
  Courtesy of NISSAN NORTH AMERICA, INC.