1995 SUBARU LEGACY Service Repair Manual

Page 1361 of 2248

SUBARU LEGACY 1995  Service Repair Manual 4
CHECK VACUUM HOSE.
: Check for disconnection, holes, or clogging
of the vacuum hoses.
NOTE:
Check the hoses;
From pressure sources switching solenoid valve to
intake manifold.
From pressure sensor

Page 1362 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0172
F: DTC P0115
—ENGINE COOLANT TEMPERATURE
SENSOR CIRCUIT MALFUNCTION (TW)—
OBD0173A
DESCRIPTION:
The engine coolant temperature sensor is located on the
engine coolant pipe which is made of

Page 1363 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1.Connect Subaru Select Monitor or the OBD-II
general scan tool, and read data.

2.Check harness.
3.Check harness.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPE

Page 1364 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0145A
1CONNECT 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 co

Page 1365 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0145A
4) Connect Subaru Select Monitor or the OBD-II general
scan tool to data link connector.
OBD0176
OBD0177
5) Turn ignition switch and Subaru Select Monitor or
OBD-II general scan tool switch t

Page 1366 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0618A
3
CHECK HARNESS.
1) Turn ignition switch to OFF.
2) Remove idle air control solenoid valve by-pass air hose.
3) Disconnect connector from engine coolant temperature
sensor.
4) Turn ignition s

Page 1367 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0181
G: DTC P0120
—THROTTLE POSITION SENSOR CIRCUIT
MALFUNCTION (THV)—
OBD0182A
DESCRIPTION:
A throttle position sensor is provided with a potentiom-
eter which is interlocked with the throttl

Page 1368 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1.Connect Subaru Select Monitor or OBD-II
general scan tool and read data.

2.Check input signal for ECM. (Using voltage
meter and Subaru select monitor.)
3.Check harness connector between ECM and
th