Initial Check

Before trouble shooting the ABS system, ensure tire size and type are the same. Mismatched tire size and type can lead to false wheel speed sensor readings. Pump/motor assembly may produce a clicking noise when cycling on and off. This is normal. Buzzing noise from the solenoids and pump/motor may occur and is normal.

A slight pulsing sensation may be felt when the brake pedal is depressed during ABS operation. This is normal. Yellow indicator light will come on if fault within the ABS system is detected. Red indicator light will come on if fluid level is low, parking brake is on during operation, low hydraulic pressure or pump/motor operates more than 4 minutes without brakes being applied.