1996 SUBARU LEGACY Service Repair Manual

Page 1913 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0145A
10E2
CHECK DATA FOR CONTROL.
1) Turn ignition switch to OFF.
2) Connect Subaru Select Monitor or the OBD-II general
scan tool to data link connector.
3) Turn ignition switch ON and Subaru Sel

Page 1914 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0711A
10E3
CHECK VACUUM HOSE.
: Is there a fault in vacuum hose?
NOTE:
Check the following items.
Disconnection of the vacuum hose from pressure
sources switching solenoid valve to intake manifold

Page 1915 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0172
F: DTC P0115
—ENGINE COOLANT TEMPERATURE
SENSOR CIRCUIT MALFUNCTION (TW)—
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Hard to start
Erroneous idling
Poor

Page 1916 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0145A
10F1CONNECT SUBARU SELECT MONITOR
OR THE OBD-II GENERAL SCAN TOOL,
AND READ DATA.
1) Turn ignition switch to OFF.
2) Connect Subaru Select Monitor or the OBD-II general
scan tool to data link

Page 1917 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0618A
10F2CHECK HARNESS BETWEEN ENGINE
COOLANT TEMPERATURE SENSOR AND
ECM CONNECTOR.
1) Turn ignition switch to OFF.
2) Remove idle air control solenoid valve by-pass air hose.
3) Disconnect connec

Page 1918 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0618A
10F3CHECK HARNESS BETWEEN ENGINE
COOLANT TEMPERATURE SENSOR AND
ECM CONNECTOR.
1) Turn ignition switch to OFF.
2) Remove idle air control solenoid valve by-pass air hose.
3) Disconnect connec

Page 1919 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0181
G: DTC P0120
—THROTTLE POSITION SENSOR CIRCUIT
MALFUNCTION (THV)—
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
Erroneous idling
Engine stalls.
Poor drivin

Page 1920 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
B2M0540
152
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code