Mazda 6 MPS 2005, Training Manual Supplement

Page: 97 / 112

Driveline/Axle
Components
•
Electronic control coupling (4WD solenoid):
–
Based on a signal from the 4WD CM, it operates the electromagnetic clutch and
transmits drive torque to the rear wheels.
•
Differential oil temperature sensor:
–
Informs the 4WD CM of the rear differential oil temperature.
•
4WD CM:
–
Controls operation of the electronic control coupling (4WD solenoid) mainly based on
signals indicating accelerator pedal position, wheel speed and differential oil
temperature.
–
Outputs coupling control condition and 4WD warning control information as a CAN
signal.
–
Controls the on-board diagnostic system and the fail-safe system if there is a
malfunction in the 4WD system.
•
4WD warning light:
–
Illuminates or flashes to alert the driver of a malfunction or control failure in the 4WD
system.
•
PCM:
–
Provides data about accelerator pedal position, engine speed and transaxle neutral
position on the CAN data bus available for the 4WD CM.
•
DSC HU/CM ( D ynamic S tability C ontrol H ydraulic U nit/ C ontrol M odule):
–
Provides data about four-wheel speed, DSC operating condition, steering wheel
angle and the coupling torque request signal on the CAN data bus available for the
4WD CM.
Service Training Mazda6 MPS Supplement 03-17