1995 SUBARU LEGACY Service Repair Manual

Page 1401 of 2248

SUBARU LEGACY 1995  Service Repair Manual WIRING DIAGRAM:
RHD model
B2M0463
195
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostics Chart with Trouble Code

Page 1402 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 1403 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0709A
3) Disconnect connector from rear oxygen sensor.
4) Measure voltage between ECM and body.
: Connector & terminal
(B84) No. 43—Body/1.0 V, or less
: Replace ECM.
: Repair short circuit of ha

Page 1404 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0240
P: DTC P0170
—FUEL TRIM MALFUNCTION (FUEL)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Erroneous idling
Engine stalls.
Poor driving performance
1.Check

Page 1405 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1
CHECK EXHAUST SYSTEM.
: Are there holes or loose bolts on exhaust
system?
: Repair exhaust system.
: Go to step 2.
2
CHECK AIR INTAKE SYSTEM.
: Are there holes, loose bolts or disconnec-
tion of hos

Page 1406 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0711
3) Disconnect fuel delivery hose from fuel filter, and con-
nect fuel pressure gauge.
G2M0348
4) Start the engine and idle while gear position is neutral.
5) Measure fuel pressure while discon

Page 1407 of 2248

SUBARU LEGACY 1995  Service Repair Manual 4CHECK ENGINE COOLANT TEMPERATURE
SENSOR.
< REF. TO“F: DTC P0115 [T11F0].”>
1) Turn ignition switch to OFF.
OBD0145A
2) Connect the Subaru Select Monitor or the OBD-II gen-
eral scan tool to data

Page 1408 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0145A
5
CHECK MASS AIR FLOW SENSOR.
1) Turn ignition switch to OFF.
2) Connect the Subaru Select Monitor or the OBD-II gen-
eral scan tool to data link connector.
3) Start the engine and warm-up en