1996 SUBARU LEGACY wiring

OBD0229
N: DTC P0139
—REAR OXYGEN SENSOR CIRCUIT SLOW
RESPONSE (RO2
—R)—
DTC DETECTING CONDITION:

Two consecutive trips with fault
10N1Check DTC P0136 on display.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:

LHD Model
B2M0760
177
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

WIRING DIAGRAM:

RHD Model
B2M0789
10N1
CHECK DTC P0136 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0136?
: Inspect DTC P0136 using“10. Diagnostics Chart
with Trouble Code 2-7 [T1000]”.
NOTE:
In this case, it is not necessary to inspect DTC P0139.
: Replace rear oxygen sensor.
178
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

WIRING DIAGRAM:

LHD Model
B2M0761
180
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

WIRING DIAGRAM:

RHD Model
B2M0790
10O1
CHECK DTC P0135 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0141 and
P0135 at the same time?
: Go to next step 1).
: Go to step10O2.
181
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

H2M1306
Q: DTC P0180
—FUEL TEMPERATURE SENSOR A CIRCUIT
MALFUNCTION (TNKT)—
DTC DETECTING CONDITION:

Immediately at fault recognition
10Q1Connect Subaru Select Monitor or the OBD-II
general scan tool, and read data.

10Q2Check harness between fuel temperature
sensor and ECM connector.
10Q3Check harness between fuel temperature
sensor and ECM connector.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:

LHD Model
B2M0916

190
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

WIRING DIAGRAM:

RHD Model
B2M1015
191
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

H2M1350
R: DTC P0181
—FUEL TEMPERATURE SENSOR A CIRCUIT
RANGE/PERFORMANCE PROBLEM
(TNKT
—F)—
DTC DETECTING CONDITION:

Two consecutive trips with fault
10R1Check DTC P0180 on display.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

WIRING DIAGRAM:

LHD Model
B2M0916
195
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

WIRING DIAGRAM:

RHD Model
B2M1015
10R1
CHECK DTC P0180 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0180?
: Inspect DTC P0180 using“10. Diagnostics Chart
with Trouble Code 2-7 [T1000]”.
NOTE:
In this case, it is not necessary to inspect DTC P0181.
: Replace fuel temperature sensor.
196
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code