1997 SUBARU LEGACY Service Repair Manual

Page 2793 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0964
X: 44 CCM LINE
—A COMBINATION OF AT CONTROL
ABNORMALS—
DIAGNOSIS:
Combination of AT control faults
TROUBLE SYMPTOM:
ABS does not operate.
10X1.Check specifications of ABSCM using select

Page 2794 of 3342

SUBARU LEGACY 1997  Service Repair Manual WIRING DIAGRAM:
B4M1040
B4M0921
10X1CHECK SPECIFICATIONS OF ABSCM
USING SELECT MONITOR.
1) Press
F,
0and
0on the select monitor.
2) Read the select monitor display.
: Is an ABSCM for AT model installe

Page 2795 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0846A
10X2
CHECK GROUND SHORT OF HARNESS.
1) Turn ignition switch to OFF.
2) Disconnect two connectors from AT control module.
3) Disconnect connector from ABSCM.
4) Measure resistance between ABSC

Page 2796 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0844A
10X4
CHECK OPEN CIRCUIT OF HARNESS.
Measure voltage between ABSCM connector and chassis
ground.
: Connector & terminal
(F49) No. 12 (+)—Chassis ground (�)
(F49) No. 39 (+)—Chassis ground

Page 2797 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0965
Y: 44 CCM OPEN
—A COMBINATION OF AT CONTROL
ABNORMALS—
DIAGNOSIS:
Combination of AT control faults
TROUBLE SYMPTOM:
ABS does not operate.
10Y1.Check battery short of harness.
10Y2.Check

Page 2798 of 3342

SUBARU LEGACY 1997  Service Repair Manual WIRING DIAGRAM:
B4M1040
193
4-4cBRAKES [ABS 5.3 TYPE]
10. Diagnostics Chart with Select Monitor

Page 2799 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0847A
10Y1
CHECK BATTERY SHORT OF HARNESS.
1) Turn ignition switch to OFF.
2) Disconnect two connectors from AT control module.
3) Disconnect connector from ABSCM.
4) Turn ignition switch to ON.
5)

Page 2800 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10Y3CHECK POOR CONTACT IN CONNEC-
TOR BETWEEN AT CONTROL MODULE
AND ABSCM.
: Is there poor contact in connectors between
AT control module and ABSCM?
: Repair connector.
: Go to step10Y4.
10Y4
CHECK A