Subaru Legacy 2003 Service Manual page 2960

5. VDC Sequence Control
A: OPERATION
1) Under the VDC sequence control, after the hy-
draulic unit solenoid valve is driven, the operation
of the hydraulic unit can be checked by means of
the brake tester or pressure gauge.
2) VDC sequence control can be started by diagno-
sis connector or select monitor.
1. VDC SEQUENCE CONTROL WITH DIAG-
NOSIS CONNECTOR
1) Connect diagnosis terminals to terminals No. 5
and No. 8 of the diagnosis connector beside driv-
er's seat heater unit.
( 2 )
(1) Diagnosis connector
(2) Diagnosis terminal
(3) 8 terminal
(4) 5 terminal
2) Set the speed of all wheels at 2.75 km/h (2 MPH)
or less.
3) Turn ignition switch OFF.
4) Turn ignition switch ON and start engine imme-
diately, confirming that ABS and VDC warning light
goes ON and then OFF. After ABS and VDC warn-
ing light goes OFF, within 0.5 seconds depress the
brake pedal once, then within 3 second depress the
brake pedal twice more and release it.
CAUTION:
Do not depress the clutch pedal.
NOTE:
• When the ignition switch is set to on, the brake
pedal must not be depressed.
• Engine must operate.
• If the VDC sequence control does not start, do
the procedure over again.
5) After completion of VDC sequence control, turn
ignition switch OFF.
VDC SEQUENCE CONTROL
( 1 )
( 3 )
( 4 )
ABS00159
VDC-19
2. VDC SEQUENCE CONTROL WITH SE-
LECT MONITOR
NOTE:
• In the event of any trouble, the sequence control
may not be operative. In such a case, activate the
sequence control, referring to "VDC SEQUENCE
CONTROL WITH DIAGNOSIS CONNECTOR".
<Ref. to VDC-19, VDC SEQUENCE CONTROL
WITH DIAGNOSIS CONNECTOR, OPERATION,
VDC Sequence Control.>
• When the diagnosis terminal is connected to the
diagnosis connector, the sequence control will not
operate.
1) Connect select monitor to data link connector
beside driver's seat instrument panel lower cover.
2) Turn ignition switch ON.
3) Turn select monitor switch ON.
4) Put select monitor to "BRAKE CONTROL"
mode.
5) Select "VDC Check Mode" in {Function check
sequence} menu to start `VDC sequence control'.
CAUTION:
Do not depress the clutch pedal.
6) When the message "Press YES" is displayed,
press «YES» key.
7) Operation points will be displayed on select
monitor.
VDC