PCM Idle Learn Procedure: Notes

2011 Honda CR-V EX, 2.4 RE4, BZHASECTION Notes

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

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

  • Replace the PCM.
  • Reset the PCM.
  • Update the PCM.
  • Replace or clean the throttle body.
  • Disassemble the engine or the transmission.
    NOTE: Clearing DTCs with the HDS does not require you to do the idle learn procedure.
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.