Subaru LEGACY 2003 Service Manual page 22

VDC
3. CONDITIONS FOR VDC SEQUENCE CONTROL
Speed of all wheels
Terminal No. 5 and No. 8
Ignition key switch
Operational
ABS warning light
guide line of
sequence
control
VDC warning light
VDC. OFF indicator light
VDC operation indicator light
Pressure sensor signal
AET
AEB
AEC
EAM
Valve relay
Secondary cut valve
Primary cut valve
Secondary suction valve
Operational
Primary suction valve
pattern of
sequence
FL outlet valve
control
FL inlet valve
FR outlet valve
FR inlet valve
RR outlet valve
RR inlet valve
RL outlet valve
RL inlet valve
Pump motor
Pressure of master cylinder
Pressure of FR wheel cylinder
Operational
pressure of
Pressure of FL wheel cylinder
sequence
Pressure of RL wheel cylinder
control
Pressure of RR wheel cylinder
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 diagnosis connector.
• HIGH means high voltage.
• LOW means low voltage.
VDC SEQUENCE CONTROL
2.75 km/h (2 MPH) or less
LOW
OFF
Point A
1.5s
OFF LIGHT
Within 0.5s
OFF LIGHT
OFF LIGHT
OFF
Within 3s
OFF
ON
LOW HIGH
LOW HIGH
LOW HIGH
LOW HIGH
OFF ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
VDC-20
10 km/h (6 MPH) or less
ON (Engine run)
1s 3.4s 1s
LIGHT
ON
0.8s
Within 0.4s
ON
0.4s
ON
ON
1.6s
ON
ON
ON
3.4s 1.6s
ON
ON
ON
ON
ON
ON
VDC00087