Honda Accord: ECM/PCM Idle Learn Procedure - Idle Control System - Fuel and Emissions - Honda Accord MK8 2008-2012 Service ManualHonda Accord: ECM/PCM Idle Learn Procedure

The idle learn procedure must be done so the ECM/PCM can learn the engine idle characteristics.

Do the idle learn procedure whenever you do any of these actions:

 - Replace ECM/PCM.

 - Reset ECM/PCM

 - Update ECM/PCM.

 - Replace or clean the throttle body.

 - Disassemble the engine or the transmission.

NOTE: Erasing DTCs with the HDS does not require you to do the idle learn procedure.

Procedure

1. Make sure all electrical items (A/C, audio, lights, etc.) are off.

2. Reset the ECM/PCM with the HDS.

3. Turn the ignition switch to ON (II), and wait 2 seconds.

4. Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on, or until the engine coolant temperature reaches 194 Р’В°F (90 Р’В°C).

5. Let the engine idle for about 5 minutes with the throttle fujly closed.

NOTE: If the radiator fan comes on, do not include its running time in the 5 minutes.

    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 plug ...

    Fuel Supply System
    ...

    See also:

    Playing an iPod®
    Connect the iPod® using your dock connector to the USB port, then select the iPod mode. • How to Select an Album 1. Select the album bar.  - The image of the current album is displ ...

    Important Safety Precautions
    You’ll find many safety recommendations throughout this section, and throughout this manual. The recommendations on this page are the ones we consider to be the most important. Always Wear ...

    Shift Lever Housing Replacement
    NOTE: - Use the appropriate tool from the KTC trim tool set to avoid damage when removing components. - Take care not to scratch the center console, dashboard, and related parts. 1. Remove th ...