Subaru IMPREZA GD 2007 Series Manual page 2428

asieps_tobira_IM_US.book 27 ページ ２０１２年１月１７日 火曜日 午後３時４８分
3. Idle Speed
A: INSPECTION
1) Before checking the idle speed, check the fol-
lowing item:
(1) Check the air cleaner element is free from
clogging, ignition timing is correct, spark plugs
are in good condition, and hoses are connected
properly.
(2) Check the malfunction indicator light does
not illuminate.
2) Warm-up the engine.
3) Stop the engine, and turn the ignition switch to
OFF.
4) Connect the Subaru Select Monitor to the data
link connector.
5) Turn the ignition switch to ON and run the Suba-
ru Select Monitor.
6) Select {Each System Check} in Main Menu.
7) Select {Engine Control System} in Selection
Menu.
8) Select {Current Data Display & Save} in Engine
Control System Diagnosis.
9) Select {Data Display} in Data Display Menu.
10) Start the engine, and read the engine idle
speed.
11) Check the idle speed when no-loaded. (Head-
light, heater fan, rear defroster, radiator fan, A/C,
etc. are OFF.)
Idle speed (No load and gears in neutral, "P" or
"N" range):
±
700 100 rpm
Idle Speed
12) Check the idle speed when loaded. (Turn the
air conditioning switch "ON" and operate the com-
pressor for at least one minute before measure-
ment.)
IDLE SPEED (A/C ON AND GEARS IN NEUTRAL,
"P" OR "N" RANGE):
Except for STI model:
When A/C refrigerant pressure is low.
±
725 100 rpm (MT model)
±
750 100 rpm (AT model)
When A/C refrigerant pressure is high.
±
800 100 rpm (MT model)
±
825 100 rpm (AT model)
STI model:
±
800 100 rpm
NOTE:
Idle speed cannot be adjusted manually, because
the idle speed is automatically adjusted. If the pre-
scribed idle speed cannot be maintained, refer to
the engine
EN(H4DOTC)(diag)-2, Basic Diagnostic Proce-
dure.> <Ref. to EN(STI)(diag)-2, Basic Diagnostic
Procedure.>
EN-01163
ME(H4DOTC)-27
MECHANICAL
control system. <Ref. to