1997 SUBARU LEGACY Service Repair Manual

Page 2849 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0808
10AF3
CHECK MOTOR GROUND.
: Tightening torque:
32±10 N⋅m (3.3±1.0 kg-m, 24±7 ft-lb)
Is the motor ground terminal tightly
clamped?
: Go to step10AF4.
: Tighten the clamp of motor ground te

Page 2850 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10AF6
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 2851 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0972
AG: 54 BLS
—ABNORMAL STOP LIGHT SWITCH—
DIAGNOSIS:
Faulty stop light switch
TROUBLE SYMPTOM:
ABS does not operate.
10AG1.Check output of stop light switch using select
monitor.

10AG2.C

Page 2852 of 3342

SUBARU LEGACY 1997  Service Repair Manual WIRING DIAGRAM:
B4M1041
247
4-4cBRAKES [ABS 5.3 TYPE]
10. Diagnostics Chart with Select Monitor

Page 2853 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0973
10AG1CHECK OUTPUT OF STOP LIGHT
SWITCH USING SELECT MONITOR.
1) Press
F,
0and
9on the select monitor.
2) Depress the brake pedal.
3) Read the stop light switch output on the select monitor
dis

Page 2854 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10AG4CHECK POOR CONTACT IN CONNEC-
TOR BETWEEN STOP LIGHT SWITCH
AND ABSCM.
: Is there poor contact in connector between
stop light switch and ABSCM?
: Repair connector.
: Go to step10AG5.
10AG5
CHECK

Page 2855 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0974
AH: 56 G SENSOR LINE
—OPEN OR SHORT CIRCUIT OF G SENSOR
—
DIAGNOSIS:
Faulty G sensor output voltage
TROUBLE SYMPTOM:
ABS does not operate.
10AH1.Check specifications of ABSCM using selec

Page 2856 of 3342

SUBARU LEGACY 1997  Service Repair Manual From the former page.
10AH11.
Check ground short in G sensor output
harness.
10AH12.Check G sensor.
10AH13.Check poor contact in connector between
ABSCM and G sensor.
10AH14.Check ABSCM.
WIRING DIAGRA