Driveline/Axle
Electronic Control Coupling
• An electromagnetic clutch, which operates smoothly due to the lack of influence from the
front and rear wheel traction force, has been used for the electronic control coupling
system.
• The construction of the coupling enables the torque formed by the pilot clutch to be
amplified by the cam mechanism, thus allowing the main clutch to obtain a high degree
of torque.
• The electronic control coupling basically consists of an electromagnetic clutch, a cam
mechanism and a torque transmission system.
• The electromagnetic clutch consists of a 4WD solenoid (electromagnetic coil), rear
housing that forms a magnetic path, pilot clutch, and armature. The cam mechanism
consists of a pilot cam, balls, and main cam. The torque transmission system consists of
a main clutch and ATF (Automatic Transmission Fluid).
M6-MPS_03014
1
Torque transmission system
8
Pilot cam
2
Electromagnetic clutch
9
Pilot clutch
3
Rear housing
10
Armature
4
4WD solenoid (electromagnetic coil)
11
Main cam
5
Cam mechanism
12
Main clutch
6
Ball
13
Front wheel side
7
Rear wheel side
03-18 Service Training Mazda6 MPS Supplement
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