Subaru 2002 Impreza - Page 343

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Yes
Inspect DTC
POI 12, PO1 13,
PO1 17, PO1 18 or
PO1 25 using “List
of Diagnostic Trou-
ble Code (DTC)”.
<Ref.
to EN(D0HC
TURBO)-80, List
of Diagnostic Trou-
ble Code (DTC).>
NOTE:
In this case, it is
not necessary
to
inspect DTC
P0111.
Replace the mass
air flow and intake
air temperature
sensor. <Ref.
to
FU(D0HC
TURBO)-34, Mass
Air Flow and
Intake Air Temper-
ature Sensor.>
Step
CHECK ANY OTHER DTC ON DISPLAY.
No
Go to step 2.
Inspect DTC
PO125 using “List
of Diagnostic Trow
ble Code (DTC)”.
<Ref. to EN(D0HC
TURBO)-80, List
of Diagnostic Trow
ble Code (DTC).>
CHECK ENGINE COOLANT TEMPERA-
TURE.
1)Start the engine and warm it up completely.
2)Measure the engine coolant temperature
using Subaru Select Monitor or OBD-11 general
scan tool.
NOTE:
*Subaru Select Monitor
For detailed operation procedure, refer to the
“READ CURRENT DATA FOR ENGINE. <Ref.
to EN(D0HC TURBO)-38, Subaru Select Mon-
itor.>
*OBD-II general scan tool
For detailed operation procedures, refer
to the
OBD-ll General Scan Tool Instruction Manual.
Check
loes the Subaru Select Moni-
or or OBD-ll general scan
tool
ndicate DTC PO1 12, PO1 13,
’0117, PO118 or P0125?
s the engine coolant tempera-
ure between 75°C
(1 67°F) and
)5”C (203”F)?
I
EN(D0HC TURBO)-I 19