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Shift Interlock Systems: Programming

NOTE: Do not turn the ignition switch OFF while reprogramming PCM. If ignition switch is turned off, PCM may be damaged.

Use this procedure when you have to substitute a known-good PCM. Update PCM only if PCM does not already have the latest software loaded.

  1. Turn ignition switch to ON position. Do not start engine. Connect Honda Interface Module (HIM) to DLC, located behind left side of center console. Perform PCM update procedure as described on HIM label and in the PCM update system. If software in PCM is the latest version, substitute PCM. Go to next step.
  2. Remove PCM from vehicle. See POWERTRAIN CONTROL MODULE  under REMOVAL & INSTALLATION. Install a known-good PCM into vehicle. Rewrite the immobilizer code with PCM replacement procedure using Honda PGM Tester. Procedure allows you to start the engine. After completing tests, reinstall the original PCM and rewrite the immobilizer code with PCM replacement procedure using Honda PGM Tester again.