Subaru Legacy 2003 Service Manual page 2779

ABS
3. CONDITIONS FOR ABS SEQUENCE CONTROL
Operational
guide line of
sequence
control
Operational
pattern of
sequence
control
Operational
pressure of
sequence
control
NOTE:
• When select monitor is used, control operation
starts at point A. The patterns from IGN key ON to
the point A show that operation is started by diag-
nosis connector.
• HIGH means high voltage.
• LOW means low voltage.
ABS SEQUENCE CONTROL
Speed of all wheels
HIGH
Terminal No.5 and No.8
LOW
ON
Ignition key switch
OFF
ON
ABS warning light
OFF
HIGH
Stop light switch
LOW
HIGH
AT ABS signal
LOW
ON
Valve relay
OFF
ON
FL outlet valve
OFF
ON
FL inlet valve
OFF
ON
FR outlet valve
OFF
ON
FR inlet valve
OFF
ON
RR outlet valve
OFF
ON
RR inlet valve
OFF
ON
RL outlet valve
OFF
ON
RL inlet valve
OFF
ON
Pump motor
OFF
Pressure of master cylinder
Pressure of FL wheel cylinder
Pressure of FR wheel cylinder
Pressure of RR wheel cylinder
Pressure of RL wheel cylinder
4 km/h
(2 MPH)
10 km/h (6 MPH) or less
or less
Either HI or LO possible, if using select monitor.
1.4
1.5 1.5
1.0
Within 0.5
0.4
Point A
ABS-10
Unit: second
1.0 0.6
1.4
1.0
0.4
1.0
ABS00160