Subaru 2002 Impreza - 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