Subaru IMPREZA GD 2007 Series Manual page 1572

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1 CHECK FOR ANY OTHER DTC ON DISPLAY. Is any other DTC displayed?
2 CHECK AIR CLEANER ELEMENT.
1) Turn the ignition switch to OFF.
2) Check the air cleaner element.
3 CHECK ELECTRONIC THROTTLE CON-
TROL.
1) Remove the electronic throttle control. <Ref.
to FU(H4DOTC)-16, Throttle Body.>
2) Check the electronic throttle control.
Check
Is there excessive clogging on
air cleaner element?
Are foreign matter found inside
electronic throttle control?
EN(STI)(diag)-241
ENGINE (DIAGNOSTICS)
Yes No
Check the appro- Go to step 2.
priate DTC using
the "List of Diag-
nostic Trouble
Code (DTC)".
<Ref. to
EN(STI)(diag)-71,
List of Diagnostic
Trouble Code
(DTC).>
Replace the air Go to step 3.
cleaner element.
<Ref. to
IN(H4DOTC)-9, Air
Cleaner Element.>
Remove foreign Perform the diag-
matter from elec- nosis of DTC
tronic throttle con- P2101. <Ref. to
trol. EN(STI)(diag)-
323, DTC P2101
THROTTLE
ACTUATOR CON-
TROL MOTOR
CIRCUIT RANGE/
PERFORMANCE,
Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC).>