Honda S2000 Service Manual page 662

System Description (cont'dl
COMPONENTS
MAIN FUNCTION
Wheel sensor
The wheel sensor outputs the speed signal to the ABS control unit
accordinq to the Dulser's rotation soeed.
Modulator-
control unit
ABS control unit
The ABS control unit processes the signal from the wheel sensor,
then outouts the ABS control sional to the modulator unit.
M o d u l a t o r u n i t The modulator unit receives the control signal, then controls brake
fluid oressure for each wheel.
Motor reiay (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 Droblem is detected.
MOOUIATOF
UNIT
19-42