Electric Controlled Coupling

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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.
NOTE: Change each pressing power according to AWD mode status and cornering conditions.

Fig 1: Identifying Electric Controlled Coupling And Related Components
Courtesy of NISSAN NORTH AMERICA, INC.
- Transmission torque to the right and left rear wheels is determined according to command current.
  
  Fig 2: Transmission Torque Characteristic Graph
  Courtesy of NISSAN NORTH AMERICA, INC.