1995 SUBARU LEGACY Service Repair Manual

Page 1369 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 1370 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0698A
2CHECK INPUT SIGNAL FOR ECM. (USING
VOLTAGE METER AND SUBARU SELECT
MONITOR.)
1) Measure voltage between ECM and body while throttle
valve is fully closed.
: Connector & terminal
(B84) No. 22

Page 1371 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0700A
3CHECK HARNESS CONNECTOR BETWEEN
ECM AND THROTTLE POSITION SENSOR.
1) Turn ignition switch to OFF.
2) Disconnect connectors from throttle position sensor.
3) Turn ignition switch to ON.
4) Me

Page 1372 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0702A
7) Measure resistance of harness between throttle posi-
tion sensor connector and body.
: Connector & terminal
(E13) No. 2—Body/10Ω, or less
: Repair short circuit of harness between thro

Page 1373 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0189
H: DTC P0121
—THROTTLE POSITION SENSOR CIRCUIT
RANGE/PERFORMANCE PROBLEM (TH
—R)
—
DESCRIPTION:
Refer to“G: DTC P0120—THROTTLE POSITION SEN-
SOR CIRCUIT MALFUNCTION—[T11G0]”.
DTC

Page 1374 of 2248

SUBARU LEGACY 1995  Service Repair Manual Check DTC P0120 on display.
No
Ye s
Inspect DTC P0120 using“11. Diagnostics Chart
with Trouble Code [T1100]”.
In this case, it is unnecessary to inspect DTC
P0121.
Replace throttle position sen

Page 1375 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0191
I: DTC P0125
—INSUFFICIENT COOLANT TEMPERATURE
FOR CLOSED LOOP FUEL CONTROL
(TW
—CL)—
DESCRIPTION:
Refer to“F: DTC P0115—ENGINE COOLANT TEM-
PERATURE SENSOR CIRCUIT MALFUNCTION—
[T

Page 1376 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1.Check DTC P0115 on display.
No
Ye s
Inspect DTC P0115 using“11. Diagnostics Chart
with Trouble Code [T1100]”.
In this case, it is unnecessary to inspect DTC
P0125.
Replace engine coolant temp