Traction control systm on 2002 Camry

How is the traction control system works on the 2002 Camry?
I know that the engine speed drops to 1,500 RPM regardless of the
throttle position but what happens with the brake system, do I have to apply some brake pressure to synchronize the front wheels speed, the rear wheels speed is zero because I am stock on a ice spot and not moving at all. I had to disengage the traction control system to make it up my driveway.
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