ASR Test

The ASR test runs the pump motor to apply fluid pressure to the rear wheel circuits. The Pilot Valve Test must be run prior to the ASR test.

1. With ignition switch in Off position.
2. Connect Tech 1 scan tool with appropriate brake cartridge.
3. Turn ignition switch to On position.
4. Raise and support vehicle with wheels about six inches from floor.
5. Select F4, Misc. Tests.
6. Select F4, ASR Test.
7. Perform pilot valve test to confirm valve operation.
8. Depress up arrow to begin ASR test.
9. Attempt to move rear wheel by hand, no movement should be indicated.