Idle Speed: Inspection

WARNING: This page is about a different variant/trim than selected.

Before checking the idle speed, check the following 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.
Warm up the engine.
Read the engine idle speed using Subaru Select Monitor. Refer to ENGINE (DIAGNOSTICS) (STI)>SUBARU SELECT MONITOR>OPERATION>DISPLAY CURRENT ENGINE DATA (NORMAL MODE) .
NOTE:
- Idle speed cannot be adjusted manually, because the idle speed is automatically adjusted.
- If idle speed is out of standard, refer to the General Diagnosis Table under "Engine Control System". Refer to ENGINE (DIAGNOSTICS) (STI)>BASIC DIAGNOSTIC PROCEDURE .
1. Check the idle speed when no-loaded. (Headlight, heater fan, rear defroster, radiator fan, A/C and etc. are OFF)
  Idle speed (no load and gear shift lever in neutral position):
  
  Standard
  
  700±100 r/min
2. 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 gear shift lever in neutral position):
  
  Standard
  
  750±100 r/min