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Home >> Honda >> 2025 >> Passport TrailSport >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Mechanical / Engine Control System - Service, Testing And Troubleshooting >> Inspection >> Idle Speed Inspection >> Inspection

Idle Speed Inspection: Inspection

NOTE:
  • Before checking the idle speed, check these items:
    • The malfunction indicator lamp (MIL) has not been reported on, and there are no DTCs.
    • Spark plugs
    • Air cleaner
    • PCV system
  • Apply the parking brake.
  1. HDS - Connect 
  2. Idle Speed - Inspect
    1. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.

    2. Check the idle speed under no load conditions: headlights, blower fan, radiator fan, audio system, and air conditioner off.Idle speed should be: 710 +/- 50 rpm (in P or N) 

    3. Let the engine idle for 1 minute with high electric load (A/C on, temperature set to max cool, blower fan on high, headlights on high beam).Idle speed should be: 710 +/- 50 rpm (in P or N) 

    NOTE: If the idle speed is not within specification, do the PCM idle learn procedure . If the idle speed is still not within specification, go to the symptom troubleshooting .
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