Subaru Legacy 2005 Service Manual page 1557

3. Idle Speed
A: INSPECTION
1) Before checking the idle speed, check the fol-
lowing:
(1) Ensure the air cleaner element is free from
clogging, ignition timing is correct, spark plugs
are in good condition, and hoses are connected
properly.
(2) Ensure the malfunction indicator light does
not illuminate.
2) Idle the engine.
3) Stop the engine, and turn the ignition switch to
OFF.
4) Insert the cartridge to Subaru Select Monitor.
5) Connect the Subaru Select Monitor to data link
connector.
6) Turn the ignition switch to ON and the Subaru
Select Monitor power switch to ON.
7) Select {Each System Check} in Main Menu.
8) Select {Engine} in Selection Menu.
9) Select {Current Data Display & Save} in Engine
Control System Diagnosis.
10) Select {Data Display} in Data Display Menu.
11) Start the engine, and read the engine idle
speed.
12) 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 "N" or "P"
range]:
±
650 50 rpm
13) Check the idle speed when loaded. (Turn the A/
C switch to "ON" and operate the compressor for at
least one minute before measurement.)
Idle speed [A/C "ON" and gears in "N" or "P"
range]:
±
770 50 rpm
NOTE:
Idle speed cannot be adjusted manually, because
idle speed is automatically adjusted. If the idle
speed is out of specifications, refer to General Di-
agnostic Table under "Engine Control System".
<Ref. to EN(H6DO)(diag)-2, Basic Diagnostic Pro-
cedure.>
Idle Speed
ME(H6DO)-23
MECHANICAL