Fuel and Emissions Systems

General Troubleshooting Information (cont'd)

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How to Substitute the ECM/PCM (D15Y6, D15Y3 (KY with immobiliser, KN models), D15Y5, D15Y4, D17Z1 (KQ, KZ models), D17A1 (KK model), D17A2 (except MA model), D17A5 (KY with immobiliser, KN models) engines)

  1. Remove the ECM/PCM from the vehicle.
  2. Install a known-good ECM/PCM in the vehicle.
  3. Rewrite the immobiliser code with the ECM/PCM replacement procedure on the Honda PGM Tester. It allows you to start the engine.
  4. After completing your tests, reinstall the original ECM/PCM and rewrite the immobiliser code with the ECM/PCM replacement procedure on the Honda PGM Tester again.