1996 SUBARU LEGACY Service Repair Manual

Page 2001 of 2890

SUBARU LEGACY 1996  Service Repair Manual OBD0329
AF: DTC P0420
—CATALYST SYSTEM EFFICIENCY BELOW
THRESHOLD (CAT)—
DTC DETECTING CONDITION:
Immediately at fault recognition (2200 cc all states
except California model only)
Two consecuti

Page 2002 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
RHD Model
B2M0794
234
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

Page 2003 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10AF1CHECK ANY OTHER DTC P0130, P0133,
P0135, P0136, P0139 AND P0141 ON DIS-
PLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0130,
P0133, P0135, P0136, P0139 and P0141

Page 2004 of 2890

SUBARU LEGACY 1996  Service Repair Manual H2M1365
AG: DTC P0440
—EVAPORATIVE EMISSION CONTROL
SYSTEM MALFUNCTION (EVAP)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Gasoline smell
10AG1Check any other DTC

Page 2005 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
LHD Model
B2M0919
237
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code

Page 2006 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
RHD Model
B2M1017
10AG1CHECK ANY OTHER DTC (BESIDES DTC
P0440) ON DISPLAY.
: Is there any other DTC on display?
: Inspect the relevant DTC using“10. Diagnostics
Chart with Trouble C

Page 2007 of 2890

SUBARU LEGACY 1996  Service Repair Manual : Is there any damage to the seal between
fuel filler cap and fuel filler pipe?
: Repair or replace fuel filler cap and fuel filler pipe.
: Go to step10AG3.
OBD0005B
10AG3CHECK VENT CONTROL SOLENOID
V

Page 2008 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0923B
10AG5CHECK PRESSURE CONTROL SOLE-
NOID VALVE.
: Does pressure control solenoid valve pro-
duce operating sound?
NOTE:
Pressure control solenoid valve operation check can also
be executed usin