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HOMESERVICE MANUALSHONDA2006PILOT EX, 3.5 YF2, J35A9REPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISIDLE CONTROL SYSTEMIDLE SPEED INSPECTION
2006 Honda Pilot EX, 3.5 YF2, J35A9

Idle Speed Inspection

2006 Honda Pilot EX, 3.5 YF2, J35A9SECTION Idle Speed 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.
    • Ignition timing
    • Spark plugs
    • Air cleaner
    • PCV system
  • Apply the parking brake.
  1. Disconnect the evaporative emission (EVAP) canister purge valve connector.
  2. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.
    Fig 1: Identifying Data Link Connector
    G04245442Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Turn the ignition switch ON (II).
  4. Make sure the HDS communicates with the PCM. If it doesn't, go to the DLC circuit troubleshooting (see DLC CIRCUIT TROUBLESHOOTING ).
  5. Start the engine. Hold the engine speed at 3,000 RPM without load (in Park or neutral) until the radiator fan comes on, then let it idle.
  6. Check the idle speed without load conditions: headlights, blower fan, radiator fan, and air conditioner off.

    Idle speed should be: 730 (650)* +/- 50 RPM (in Park or neutral) 

    *: J35Z1 engine 

  7. Let the engine idle for 1 minute with high electric load (A/C switch ON, temperature set to Max Cool, blower fan on High, and headlights on high beam).

    Idle speed should be: 730 (700) * +/- 50 RPM (in Park or neutral) 

    *: J35Z1 engine 

    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 symptom troubleshooting.
  8. Reconnect the EVAP canister purge valve connector.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.