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Vehicle Dynamics and Driver Assist Systems
May 2017
The VDCCM sends a command to the TCM to control the gear position and transfer clutch so
that torque is optimally distributed between the front and rear axles.
Request Torque Down Signal
The VDCCM calculates the target engine output for each vehicle condition and sends
commands to the ECM.
The ECM compares the target engine output with the current engine output and adjusts throttle
opening and/or fuel injection until the target is achieved.
Calculated Engine Torque
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