1997 SUBARU LEGACY Service Repair Manual

Page 2985 of 3342

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

Page 2986 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.
WIRING DIAGRAM:
B4M1238
11 0
4-4dBRAKES [ABS 5.3i TYPE]
10. Diagn

Page 2987 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 2988 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M1244A
10L5
CHECK SHIELD CIRCUIT.
1) Turn ignition switch to OFF.
2) Connect all connectors.
3) Measure resistance between shield connector and
chassis ground.
Connector & terminal
Trouble code 22 /

Page 2989 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10L9CHECK INSTALLATION OF TONE
WHEEL.
Tightening torque:
13±3 N⋅m (1.3±0.3 kg-m, 9±2.2 ft-lb)
: Are the tone wheel installation bolts tight-
ened securely?
: Go to step10L10.
: Tighten tone wheel

Page 2990 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M1242A
5) Rotate wheels and measure voltage at specified fre-
quency.
NOTE:
When this inspection is completed, the ABSCM&H/U
sometimes stores the trouble code 29.
Connector & terminal
Trouble code 2

Page 2991 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M0806E
B4M1036C
10L16
CHECK RESISTANCE OF ABS SENSOR.
1) Turn ignition switch OFF.
2) Disconnect connector from ABS sensor.
3) Measure resistance between ABS sensor connector ter-
minals.
Terminal
F

Page 2992 of 3342

SUBARU LEGACY 1997  Service Repair Manual B4M1239A
10L18CHECK HARNESS/CONNECTOR
BETWEEN ABSCM&H/U AND ABS SEN-
SOR.
1) Connect connector to ABS sensor.
2) Disconnect connector from ABSCM&H/U.
3) Measure resistance at ABSCM&H/U connector termi