ABS Components

System Description (cont'd)

19-97  
COMPONENTS MAIN FUNCTION
Wheel sensor The wheel sensor outputs the speed signal to the ABS control unit according to the pulsar's rotation speed.
Modulator-control unit ABS control unit The ABS control unit processes the signal from the wheel sensor, then outputs the ABS control signal to the modulator unit.
Modulator unit The modulator unit receives the control signal, then controls brake fluid pressure for each wheel.
Motor relay (inside of the ABS control unit) The motor relay drives the ABS pump motor.
ABS fail-safe relay (inside of the ABS control unit) The ABS fail-safe relay cuts the power to the solenoid valve when the problem is detected.

NO: Normally Open

NC: Normally Closed