Abs Control Unit - Honda 2002 Accord Manual

ABS Components
System Description (cont'd)
A B S Control Unit
Main Control
The A B S control unit detects the wheel speed based on the wheel sensor signal it received, then it calculates the
vehicle speed based on the detected wheel speed. The control unit detects the vehicle speed during deceleration
based on the rate of deceleration.
The A B S control unit calculates the slip rate of each wheel, and it transmits the control signal to the modulator unit
solenoid valve when the slip rate is high.
The pressure reduction control has 3-modes: pressure reducing, pressure retaining, and pressure intensifying.
ABS C O N T R O L UNIT
DETECT | S S S
W H E E L S P E E D |
J J J
* P
i — H i
RI G HT-FRONT
x S *1 ABS I * 1 DRI V E 1 L f
J J
H
CONTROL U j SOLENOID J ^ \
LEFT-FRONT
D
p.
— * i a b s
i
fc
i DRI V E
i
Lr
H
C O N T R O L I H SOLENOI D | T\
M
DRI V E 1 i^l LEFT-I
_ SOLENOI D | W\ S O L E
19-46