1996 SUBARU LEGACY Service Repair Manual

Page 2521 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10U17CHECK 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 step10U18.
10U18
CHECK AB

Page 2522 of 2890

SUBARU LEGACY 1996  Service Repair Manual B4M0962
V: 41 ECU
—ABNORMAL ABS CONTROL MODULE—
DIAGNOSIS:
Faulty ABSCM
TROUBLE SYMPTOM:
ABS does not operate.
10V1.Check ground circuit of ABSCM.
10V2.Check poor contact in connector between
ba

Page 2523 of 2890

SUBARU LEGACY 1996  Service Repair Manual B4M0838A
10V1
CHECK GROUND CIRCUIT OF ABSCM.
1) Turn ignition switch to OFF.
2) Disconnect connector from ABSCM.
3) Measure resistance between ABSCM and chassis
ground.
: Connector & terminal
(F49) No

Page 2524 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10V4
CHECK ABSCM.
1) Connect all connectors.
2) Erase the memory.
3) Perform inspection mode.
4) Read out the trouble code.
: Is the same trouble code as in the current
diagnosis still being output?
:

Page 2525 of 2890

SUBARU LEGACY 1996  Service Repair Manual B4M0963
W: 42 LOW VOLTAGE
—SOURCE VOLTAGE IS LOW.—
DIAGNOSIS:
Power source voltage of the ABSCM is low.
TROUBLE SYMPTOM:
ABS does not operate.
10W1.Check generator.
10W2.Check battery terminal.

Page 2526 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
B4M1039
186
4-4cBRAKES [ABS 5.3 TYPE]
10. Diagnostics Chart with Select Monitor

Page 2527 of 2890

SUBARU LEGACY 1996  Service Repair Manual B4M0430
10W1
CHECK GENERATOR.
1) Start engine.
2) Idling after warm-up.
3) Measure voltage between generator B terminal and
chassis ground.
: Terminal
Generator B terminal—Chassis ground
Is voltage

Page 2528 of 2890

SUBARU LEGACY 1996  Service Repair Manual B4M0843A
10W4
CHECK GROUND CIRCUIT OF ABSCM.
1) Turn ignition switch to OFF.
2) Measure resistance between ABSCM connector and
chassis ground.
: Connector & terminal
(F49) No. 1—Chassis ground
Is re