1996 SUBARU LEGACY Service Repair Manual

Page 2441 of 2890

SUBARU LEGACY 1996  Service Repair Manual 8L22CHECK POOR CONTACT IN CONNEC-
TOR BETWEEN HYDRAULIC UNIT,
RELAY BOX AND ABSCM.
: Is there poor contact in connector between
hydraulic unit, relay box and ABSCM?
: Repair connector.
: Go to step8L2

Page 2442 of 2890

SUBARU LEGACY 1996  Service Repair Manual M: TROUBLE CODE 54
—ABNORMAL STOP LIGHT SWITCH—
DIAGNOSIS:
Faulty stop light switch
TROUBLE SYMPTOM:
ABS does not operate.
8M1.Check if stop lights come on.
8M2.Check open circuit of harness.
8M

Page 2443 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
B4M1041
8M1
CHECK IF STOP LIGHTS COME ON.
Depress the brake pedal.
: Do stop lights turn on?
: Go to step8M2.
: Repair stop lights circuit.
103
4-4cBRAKES [ABS 5.3 TYPE]
8. Diagnostics

Page 2444 of 2890

SUBARU LEGACY 1996  Service Repair Manual B4M0908A
8M2
CHECK OPEN CIRCUIT OF HARNESS.
1) Turn ignition switch to OFF.
2) Disconnect connector from ABSCM.
3) Depress brake pedal.
4) Measure voltage between ABSCM connector and chas-
sis ground.

Page 2445 of 2890

SUBARU LEGACY 1996  Service Repair Manual N: TROUBLE CODE 56
—ABNORMAL G SENSOR OUTPUT
VOLTAGE—
DIAGNOSIS:
Faulty G sensor output voltage
TROUBLE SYMPTOM:
ABS does not operate.
8N1.Check all four wheels for free turning.
8N2.Check speci

Page 2446 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
B4M1050
8N1CHECK ALL FOUR WHEELS FOR FREE
TURNING.
: Have the wheels been turned freely such as
when the vehicle is lifted up, or operated on
a rolling road?
: The ABS is normal. Erase

Page 2447 of 2890

SUBARU LEGACY 1996  Service Repair Manual B4M0911B
8N3
CHECK INPUT VOLTAGE OF G SENSOR.
1) Turn ignition switch to OFF.
2) Remove console box.
3) Disconnect G sensor from body. (Do not disconnect
connector.)
4) Turn ignition switch to ON.
5)

Page 2448 of 2890

SUBARU LEGACY 1996  Service Repair Manual B4M0913A
8N5CHECK GROUND SHORT IN G SENSOR
OUTPUT HARNESS.
1) Disconnect connector from G sensor.
2) Measure resistance between ABSCM connector and
chassis ground.
: Connector & terminal
(F49) No. 7