Vdc Sequence Control - Subaru Legacy 2002 Service Manual

5. VDC Sequence Control

A: OPERATION
1) Under the VDC sequence control, after the
hydraulic unit solenoid valve is driven, the opera-
tion of the hydraulic unit can be checked by means
of the brake tester or pressure gauge.
2) VDC sequence control can be started by diag-
nosis connector or select monitor.
1. VDC SEQUENCE CONTROL WITH
DIAGNOSIS CONNECTOR
1) Connect diagnosis terminals to terminals No. 5
and No. 8 of the diagnosis connector beside driv-
er's seat heater unit.
(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
immediately, confirming that ABS and VDC warn-
ing light goes ON and then OFF. After ABS and
VDC warning light goes OFF, within 0.5 seconds
depress the brake pedal once, then within 3 sec-
ond depress the brake pedal twice more and
release it.
CAUTION:
Do not depress the clutch pedal.
NOTE:
¼ When the ignition switch is set to on, the brake
pedal must not be depressed.
¼ Engine must operate.
¼ 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
S402195
S402195A16
S402195A1601
B4M1767F
2. VDC SEQUENCE CONTROL WITH
SELECT MONITOR
NOTE:
¼ In the event of any trouble, the sequence con-
trol may not be operative. In such a case, activate
the sequence
SEQUENCE CONTROL WITH DIAGNOSIS CON-
NECTOR".
<Ref. to VDC-19, VDC SEQUENCE CONTROL
WITH DIAGNOSIS CONNECTOR, OPERATION,
VDC Sequence Control.>
¼ 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
7) Operation points will be displayed on select
monitor.
VDC-19
S402195A1602
control, referring
key.
VDC
to "VDC