1997 SUBARU LEGACY Service Repair Manual

Page 2745 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10H10CHECK POOR CONTACT IN CONNEC-
TOR BETWEEN ABSCM AND ABS SEN-
SOR.
: Is there poor contact in connectors between
ABSCM and ABS sensor?
: Repair connector.
: Go to step10H11.
10H11
CHECK ABSCM.
1)

Page 2746 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0812
I: 22 FR. SS SOFT
—ABNORMAL FRONT RH ABS SENSOR
(ABNORMAL ABS SENSOR SIGNAL)—
B4M0949
J: 24 FL. SS SOFT
—ABNORMAL FRONT LH ABS SENSOR
(ABNORMAL ABS SENSOR SIGNAL)—
B4M0950
K: 26 RR. SS

Page 2747 of 3342

SUBARU LEGACY 1997  Service Repair Manual DIAGNOSIS:
Faulty ABS sensor signal (noise, irregular signal, etc.)
Faulty harness/connector
TROUBLE SYMPTOM:
ABS does not operate.
10L1.Check output of ABS sensor using select
monitor.

10L2.Chec

Page 2748 of 3342

SUBARU LEGACY 1997  Service Repair Manual WIRING DIAGRAM:
B4M1035
143
4-4cBRAKES [ABS 5.3 TYPE]
10. Diagnostics Chart with Select Monitor

Page 2749 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0922
10L1CHECK OUTPUT OF ABS SENSOR
USING SELECT MONITOR.
Read the ABS sensor output corresponding to the faulty
system in the select monitor function mode.
NOTE:
The select monitor display shows t

Page 2750 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M1038A
10L4
CHECK SHIELD CIRCUIT.
1) Connect all connectors.
2) Measure resistance between shield connector and
chassis ground.
: Trouble code/Connector & terminal
22/(B100) No. 11—Chassis ground

Page 2751 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10L6CHECK ABS SENSOR MECHANICAL
TROUBLE.
: Tightening torque:
32±10 N⋅m (3.3±1.0 kg-m, 24±7 ft-lb)
Are the ABS sensor installation bolts tight-
ened securely?
: Go to next.
: Tighten ABS sensor i

Page 2752 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0816A
9) Rotate wheels and measure voltage at specified fre-
quency.
NOTE:
When this inspection is completed, the ABS control mod-
ule sometimes stores the trouble code 29.
TROUBLE CODE / Connector