1997 SUBARU LEGACY Service Repair Manual

Page 1945 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M0512A
7C2
CHECK OUTPUT SIGNAL FROM ECM.
Measure voltage between test mode connector and chas-
sis ground.
: Connector & terminal
(B75) No.1 (+)—Chassis ground (�):
Is voltage less than 1 V?
: Go

Page 1946 of 3342

SUBARU LEGACY 1997  Service Repair Manual D: CHECK ENGINE MALFUNCTION
INDICATOR LAMP (MIL) REMAINS BLINKING
AT A CYCLE OF 3 Hz.
DIAGNOSIS:
Test mode connector circuit is shorted.
TROUBLE SYMPTOM:
Even though test mode connector is disconnec

Page 1947 of 3342

SUBARU LEGACY 1997  Service Repair Manual 8. Diagnostics for Engine Starting
Failure
A: BASIC DIAGNOSTICS CHART
Inspection of starter motor circuit.
Inspection of ECM power supply and ground line.
Inspection of ignition control system.
Inspec

Page 1948 of 3342

SUBARU LEGACY 1997  Service Repair Manual B: STARTER MOTOR CIRCUIT
WIRING DIAGRAM:
B2M1047
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
<Ref. to 2-7 [T3D0] and [T3E0].>
OBD0724
8B1CHECK INPU

Page 1949 of 3342

SUBARU LEGACY 1997  Service Repair Manual OBD0100A
4) Measure power supply voltage between starter motor
connector terminal and engine ground.
: Connector & terminal
(B14) No. 1 (+)—Engine ground (�):
Is the voltage more than 10 V?
NOTE:
O

Page 1950 of 3342

SUBARU LEGACY 1997  Service Repair Manual OBD0103A
6) Measure power supply voltage between ignition switch
connector and chassis ground.
: Connector & terminal
(B72) No. 1 (+)—Chassis ground (�):
Is the voltage more than 10 V?
: Go to step8

Page 1951 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1280A
8B7
CHECK TRANSMISSION HARNESS.
1) Disconnect connector from inhibitor switch.
2) Measure resistance of harness between transmission
harness and inhibitor switch connector.
: Connector & term

Page 1952 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1279A
8B8
CHECK INHIBITOR SWITCH.
1) Turn ignition switch to OFF.
2) Place the selector lever in the“P”or“N”position.
3) Disconnect connector from transmission harness con-
nector.
4) Measu