Idle Speed: Testing and Inspection
Idle SpeedINSPECTION
1) Before checking the idle speed, check this 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 Subaru 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. (Headlight, heater fan, rear defroster, radiator fan, NC, etc. are OFF.)
Idle speed [No load and gears in neutral, "P" or "N" range]: 750 ± 100 rpm
12) Check the idle speed when loaded. (Turn the NC switch to ON and operate the compressor for at least one minute before measurement.)
Idle speed [A/C ON and gears in neutral, "P" or "N" range]:
800 ± 100 rpm (MT model)
825 ± 100 rpm (AT model)
NOTE: Idle speed cannot be adjusted manually, because the idle speed is automatically adjusted.