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Home >> Acura >> 2003 >> MDX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Performance System Self-Diagnostics >> Self-Diagnostic System >> Pcm Idle Learn Procedure >> Idle Learn Procedure
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Idle Learn Procedure

  1. Make sure all electrical accessories are off.
  2. Connect the Honda PGM Tester or the HDS and perform PCM RESET in the CLEAR menu.
  3. Turn ignition switch on and wait 2 seconds.
  4. Start engine and hold at 3000 RPM with no load (A/T in N or P position) until radiator fan comes on, or until engine coolant temperature reaches 194°F (90°C).
  5. Allow engine to idle for about 5 minutes with throttle fully closed.
    NOTE: If radiator fan comes on, do not include its running time in the 5 minutes.
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