1995 SUBARU LEGACY Service Repair Manual

Page 1385 of 2248

SUBARU LEGACY 1995  Service Repair Manual WIRING DIAGRAM:
RHD model
B2M0450
2
CHECK EXHAUST SYSTEM.
: Check the following.
Looseness of installation portion of front
exhaust pipe onto cylinder heads
Loosened connection of front exhaust
pip

Page 1386 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0212
L: DTC P0135
—FRONT OXYGEN SENSOR HEATER
CIRCUIT MALFUNCTION (FO2H)—
DESCRIPTION:
Refer to“J: DTC P0130—FRONT OXYGEN SENSOR
CIRCUIT MALFUNCTION—[T11J0]”.
DTC DETECTING CONDITION:


Page 1387 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 output signal from ECM. (Using voltage
meter.)
3.Check power supply to front oxygen sensor.
4.Check front oxygen

Page 1388 of 2248

SUBARU LEGACY 1995  Service Repair Manual WIRING DIAGRAM:
RHD model
B2M0462
182
2-7ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostics Chart with Trouble Code

Page 1389 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 1390 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0216A
3) Disconnect connector from front oxygen sensor.
4) Measure voltage between ECM and body.
: Connector & terminal
(B84) No. 44—Body/1.0 V, or less
: Replace ECM.
: Repair short circuit of h

Page 1391 of 2248

SUBARU LEGACY 1995  Service Repair Manual OBD0220
M: DTC P0136
—REAR OXYGEN SENSOR CIRCUIT
MALFUNCTION (RO2
—V)—
DESCRIPTION:
In order to monitor purifying efficiency of the catalyzer,
the rear oxygen sensor sends a signal to the ECM.

Page 1392 of 2248

SUBARU LEGACY 1995  Service Repair Manual 1.Check DTC P0130 on display.
No
Ye s
2.Check failure cause of P0130.
3.Check rear oxygen sensor data.

4.Check harness.
5.Check exhaust system.
CAUTION:
After repair or replacement of faulty parts,