1997 SUBARU LEGACY Service Repair Manual

Page 2769 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0826B
10Q9CHECK BATTERY SHORT OF SOLENOID
VA LV E .
1) Turn ignition switch to OFF.
2) Disconnect two connectors (ABS1, F9) from hydraulic
unit.
3) Disconnect connector from ABSCM.
4) Turn ignition

Page 2770 of 3342

SUBARU LEGACY 1997  Service Repair Manual : Trouble code/Connector & terminal
31/(F49) No. 30 (+)—Chassis ground (�)
33/(F49) No. 24 (+)—Chassis ground (�)
35/(F49) No. 23 (+)—Chassis ground (�)
37/(F49) No. 31 (+)—Chassis ground (�)

Page 2771 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0826B
10Q13CHECK BATTERY SHORT OF SOLENOID
VA LV E .
1) Disconnect connector from ABSCM.
2) Turn ignition switch to ON.
3) Measure voltage between hydraulic unit connector and
chassis ground.
: Tro

Page 2772 of 3342

SUBARU LEGACY 1997  Service Repair Manual : Trouble code/Connector & terminal
31/(F49) No. 30 (+)—Chassis ground (�)
33/(F49) No. 24 (+)—Chassis ground (�)
35/(F49) No. 23 (+)—Chassis ground (�)
37/(F49) No. 31 (+)—Chassis ground (�)

Page 2773 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10Q17CHECK POOR CONTACT IN CONNEC-
TOR BETWEEN ABSCM AND HYDRAU-
LIC UNIT.
: Is there poor contact in connectors between
ABSCM and hydraulic unit?
: Repair connector.
: Go to step10Q18.
10Q18
CHECK AB

Page 2774 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0958
R: 32 FR. AV VALVE
—ABNORMAL FRONT RH OUTLET
SOLENOID VALVE—
B4M0959
S: 34 FL. AV VALVE
—ABNORMAL FRONT LH OUTLET
SOLENOID VALVE—
B4M0960
T: 3 6 R R . AV VA LV E
—ABNORMAL REAR RH OU

Page 2775 of 3342

SUBARU LEGACY 1997  Service Repair Manual DIAGNOSIS:
Faulty harness/connector
Faulty outlet solenoid valve in hydraulic unit
TROUBLE SYMPTOM:
ABS does not operate.
10U1.Check freeze frame data.



10U2.Check the condition when the troub

Page 2776 of 3342

SUBARU LEGACY 1997  Service Repair Manual From the former page.
10U13.
Check battery short of solenoid valve.
10U14.Check battery short of harness.
10U15.Check ground short of harness.
10U16.Check harness connector between ABSCM
and hydraulic