Idle Speed Inspection

• Leave the Idle Air Control (IAC) valve connected.
  
• Before checking the idle speed, check these items:
  
  • The Malfunction Indicator Lamp (MIL) has not been reported on.
    
  • Ignition timing
    
  • Spark plugs
    
  • Air cleaner
    
  • PCV system
    

1.	Disconnect the Evaporative Emission (EVAP) canister purge valve 2P connector.

2.	Connect a tachometer (A) to the test tachometer connector (B), or connect the Honda PGM Tester (C) or a scan tool to the Data Link Connector (DLC) (D) located under the driver's side of the dashboard.

3.	Start the engine. Hold the engine at 3,000 rpm (min-1) with no load (in Park or neutral) until the radiator fan comes on, then let it idle.

4.	Check the idle speed with no-load conditions: headlights, blower fan, rear defogger, radiator fan, and air conditioner are not operating. Idle speed should be: L12A1 engine:    700±50 rpm (min-1)  L13A1, L13A2 engine:  M/T  650±50 rpm (min-1)  A/T  750±50 rpm (min-1) (in Park or neutral)

5.

Idle the engine for 1 minute with heater fan switch on HI and air conditioner on, then check the idle speed. Idle speed should be: L12A1 engine:    850±50 rpm (min-1)  L13A1, L13A2 engine:  M/T  850±50 rpm (min-1)  A/T  850±50 rpm (min-1) (in Park or neutral)  NOTE: If the idle speed is not within specification, see the Symptom Troubleshooting Index.

6.	Reconnect the EVAP canister purge valve 2P connector. NOTE: You can use the scan tool or Honda PGM Tester to inspect idle speed.