Subaru IMPREZA 2002 Service Manual page 174

ABS
FR inlet valve
RR outlet valve
RR inlet valve
ON
ON
OFF
ON
ABS SEQUENCE CONTROL
. .
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3.
CONDITIONS
FOR ABS
SEQUENCE CONTROL
Operational
guide line of
sequence
control
Operational
pattern of
sequence
control
Operational
pressure of
sequence
4 km/h Unit: second
10 km/h (6 MPH) or less
-
Speed of all wheels
LOW
Terminal No.3 and No.6
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ON
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1.5
_ I A
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OFF
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1.4
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1.4 Lj l 0.6
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Ignition key switch
w-v
-1-
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ABS warning light
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HIGH
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Stop light switch
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W i t h i n m
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LOW
;
! ! !
!
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AT ABS signal
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OFF
!
ON
OFF
ON
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FL inlet valve
1 I 1 I
FR outlet valve
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OFF'
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,
Point A
~
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Pressure of master cylinder
!
Pressure of FL wheel cylinder
!
Pressure of FR wheel cvlinder !
Pressure of RR wheel c h d e r l
!
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I I I I W
control
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Pressure of RL wheel cilinderl
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B4M1001A
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NOTE:
When the 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 diagnosis connector.
HIGH means high voltage.
LOW means low voltage.
ABS-I 2