1997 SUBARU LEGACY Service Repair Manual

Page 2665 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0838A
8G1
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 2666 of 3342

SUBARU LEGACY 1997  Service Repair Manual 8G4
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 2667 of 3342

SUBARU LEGACY 1997  Service Repair Manual H: TROUBLE CODE 42
—SOURCE VOLTAGE IS LOW.—
DIAGNOSIS:
Power source voltage of the ABSCM is low.
TROUBLE SYMPTOM:
ABS does not operate.
8H1.Check generator.
8H2.Check battery terminal.
8H3.Check

Page 2668 of 3342

SUBARU LEGACY 1997  Service Repair Manual WIRING DIAGRAM:
B4M1039
63
4-4cBRAKES [ABS 5.3 TYPE]
8. Diagnostics Chart with Trouble Code

Page 2669 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0430
8H1
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 1

Page 2670 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0843A
8H4
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 res

Page 2671 of 3342

SUBARU LEGACY 1997  Service Repair Manual I: TROUBLE CODE 44
—A COMBINATION OF AT CONTROL
ABNORMALS—
DIAGNOSIS:
Combination of AT control faults
TROUBLE SYMPTOM:
ABS does not operate.
8I1.Check specifications of the ABSCM.
8I2.Check gro

Page 2672 of 3342

SUBARU LEGACY 1997  Service Repair Manual WIRING DIAGRAM:
B4M1040
B4M0910A
8I1CHECK SPECIFICATIONS OF THE
ABSCM.
Check specifications of the plate attached to the ABSCM.
: Is an ABSCM for AT model installed on a MT
model?
: Replace ABSCM.
: G