Subaru Impreza 2003, Service Manual

Page: 2326 / 3610

ABS-10
ABS
ABS SEQUENCE CONTROL
3. ABS Sequence Control
A: OPERATION
1) Under the ABS 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) ABS sequence control can be started by diagno-
sis connector or Subaru Select Monitor.
1. ABS SEQUENCE CONTROL WITH DIAG-
NOSIS CONNECTOR
1) Turn the ignition switch to OFF.
2) Connect the diagnosis terminal to terminal No. 6
of the diagnosis connector beside driver's seat.
3) Turn the ignition switch to ON.
4) Confirm that start code (code 11) is only dis-
played.
5) Turn the ignition switch to OFF.
6) Connect the diagnosis terminals to terminals No.
6 and No. 3 of diagnosis connector.
7) Set the speed of all wheels at 4 km/h (2 MPH) or
less.
8) Turn the ignition switch to ON.
9) Within 0.5 seconds after the ABS warning light
goes out, depress the brake pedal and hold it de-
pressed.
NOTE:
Engine must not operate.
CAUTION:
Do not depress the clutch pedal in case of vehi-
cle with hill holder.
10) After completion of ABS sequence control, turn
the ignition switch to OFF.
2. ABS SEQUENCE CONTROL WITH SUB-
ARU SELECT 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 “ABS SEQUENCE
CONTROL WITH DIAGNOSIS CONNECTOR”.
<Ref. to ABS-10, ABS SEQUENCE CONTROL
WITH DIAGNOSIS CONNECTOR, ABS Sequence
Control.>
• When the diagnosis terminal is connected to the
diagnosis connector, the sequence control will not
operate.
1) Connect the Subaru Select Monitor to data link
connector under driver’s seat instrument panel low-
er cover.
2) Turn the ignition switch to ON.
3) Turn the Subaru Select Monitor switch to ON.
4) Put the Subaru Select Monitor to “BRAKE CON-
TROL” mode.
5) When “Function check sequence” is selected,
‘ABS sequence control’ will start.
6) When the message “Press Brake Pedal Firmly”
is displayed, perform the followings.
(1) When using the brake tester, depress the
brake pedal with braking force of 1,000 N (102
kgf, 225 lb).
(2) When using the pressure gauge, depress
the brake pedal so as to make the pressure
gauge indicate 3,500 kPa (36 kg/cm
2
, 511 psi).
CAUTION:
Do not depress the clutch pedal in case of vehi-
cle with hill holder.
7) When the message “Press YES” is displayed,
press the YES key.
8) The braking system in operation is displayed on
Subaru Select Monitor.
(1) Diagnosis connector
(2) Diagnosis terminals
(3) Terminal No. 3
(4) Terminal No. 6
(1)
(2)
(3) (4)
ABS00138