Antilock Brake Diagnosis

DT1 LOW SPEED ABS STOP

NOTE: Wetting down the area where the stop is to be performed will aid in performing this test.

^ Drive the vehicle at approximately 10 km/h (6 mph).

NOTE: An assistant should monitor the wheels during the ABS stop. Momentary lockup is permissible.

^ Press on the brake pedal hard enough to lock all four wheels.

^ Does one wheel lock consistently?

> Yes
If the yellow ABS warning indicator is not on, Go to the Symptom Chart. Symptom Related Diagnostic Procedures

> No
If the yellow ABS warning indicator is not on and one wheel does not lock up consistently, Go to Drive Cycle Test 2. DT2 Check For Unwarranted ABS Activity