Subaru 2002 IMPREZA Service Manual page 372

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENG IN E
r
Dl AG NOSTICS)
Step
1
.
CHECK ANY OTHER DTC ON DISPLAY.
X: DTC PO136
-
REAR OXYGEN SENSOR CIRCUIT MALFUNCTION
-
DTC DETECTING CONDITION:
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(D0HC TURBO)-
49, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(D0HC TURBO)-46, Inspec-
tion Mode.>.
WIRING DIAGRAM:
Two consecutive driving cycles with fault
Check
Does the Subaru Select Moni-
tor or OBD-II general scan tool
indicate DTC PO1 31 or PO1 32?
AIN RELAY BATTERY
OXYGEN SENSOR
3 : @
EN1 144
I
I
EN(D0HC TURBO)-1 48