Subaru 2002 IMPREZA Service Manual page 333

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Yes
20 to step 2.
nspect DTC
'0107 or PO108
Step
CHECK IDLE SWITCH SIGNAL.
1)Turn the ignition switch to ON.
2)Operate the LED operation mode for engine
using Subaru Select Monitor.
NOTE:
*Subaru Select Monitor
For detailed operation procedure, refer to the
"LED OPERATION MODE FOR ENGINE.
<Ref. to EN(D0HC TURBO)-38, Subaru
Select Monitor.>
No
Check the throttle
position sensor cir,
cuit. <Ref. to
EN(D0HC
TURBO)-132,
DTC PO121
-
THROTTLE POSI-
TION SENSOR
CIRCUIT RANGE/
PERFORMANCE
PROBLEM (HIGH
INPUT) -, Diag-
nostic Procedure
with Diagnostic
Trouble Code
(DTC).>
NOTE:
In this case, it i z
not necessary t c
inspect DTC
PO1 06.
Go to step
3 .
!
CHECK ANY OTHER DTC ON DISPLAY.
Jsing "List of Diag-
iostic Trouble
:ode (DTC)".
:Ref. to EN(D0HC
TURBO)-80, List
i f Diagnostic Trou-
ile Code (DTC).>
VOTE:
in this case, it is
lot necessary to
nspect DTC
D0106.
30
to step 4.
1
CHECK CONDITION OF PRESSURE SEN-
SOR.
iighten pressure
I CHECK CONDITION
OF
THROlTLE BODY.
Replace the pres-
sure sensor. <Ref.
to FU(D0HC
TURBO)-35, Pres-
sure Sensor.>
~ _ _ _
~ ~
Check
Ioes the LED of {Idle Switch
jignal} come on?
sensor installation
bolt securely.
Tighten throttle
body installation
bolt securely.
loes the Subaru Select Moni-
or or OBD-ll general scan tool
ndicate DTC PO1 07 or PO1 087
s
the pressure sensor installa-
ion bolt tightened securely?
s the throttle body installation
iolt tightened securely?
EN(D0HC TURBO)-I09