TCS Test

This test runs the pump motor to apply fluid pressure to the front wheel circuits. (TCS equipped vehicles only). Perform the test as follows (this test does NOT require an assistant):
1. Ignition "OFF."
2. Install the Scan Tool.
3. Turn ignition to "RUN."
4. Raise vehicle such that wheels are about six inches off the floor with the transmission in neutral.
5. Select Special Tests.
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 a front wheel by hand; it should NOT move, due to the pump motor running and applying pressure to the front wheels.