Traction Control System Test

This test runs the pump motor to apply fluid pressure to the rear wheel
circuits.

Perform the test as follows (this test does NOT require an assistant):
1. Ignition OFF.
2. Install the scan tool.
3. Turn ignition to ON.
4. Raise vehicle so that wheels are about 6 inches off the floor with the transmission in neutral.
5. Select the scan tools Special Functions.
6. Select TCS Test.
7. Command the TCS Test ON with the scan tool. The pump motor will turn on for approximately 25 seconds.
8. Attempt to move each rear wheel by hand, they should not move, due to the pump motor running and applying pressure to the rear wheels.