1996 SUBARU LEGACY Service Repair Manual

Page 1937 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10L1
CHECK DTC P0141 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0135 and
P0141 at the same time?
: Go to next step 1).
: Go to step10L2.
B2M0547A
1) Turn ig

Page 1938 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0145A
10L2CONNECT 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

Page 1939 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0548A
3) Disconnect connector from front oxygen sensor.
4) Measure voltage between ECM connector and chassis
ground.
: Connector & terminal
(B84) No. 38 (+)—Chassis ground (�):
Is the voltage les

Page 1940 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0220
M: DTC P0136
—REAR OXYGEN SENSOR CIRCUIT
MALFUNCTION (RO2
—V)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
10M1Check DTC P0130 on display.
10M2Check failure cause of P0130

Page 1941 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
LHD Model
B2M0760
173
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

Page 1942 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
RHD Model
B2M0789
174
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

Page 1943 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10M1
CHECK DTC P0130 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0130?
: Go to step10M2.
: Go to step10M3.
10M2
CHECK FAILURE CAUSE OF P0130.
Perform the ste

Page 1944 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0488
: Is the value fixed between 0.2 and 0.4 V in
function mode F13?
: Go to step10M4.
: Replace rear oxygen sensor.
OBD-II general scan tool
For detailed operation procedures, refer to the OBD-I