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HOMESERVICE MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 136 (PGM-FI SYSTEM)PCM REPLACEMENT
2002 Honda Civic Si

PCM Replacement

2002 Honda Civic SiSECTION PCM Replacement
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.
    Fig 1: Connecting HDS To DLC
    G03704388Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Make sure the HDS communicates with the PCM. If it doesn't, skip steps 3 to  6 and  16 and clean the throttle body (see THROTTLE BODY TEST ) and replace the engine oil (see ENGINE OIL REPLACEMENT ) after this procedure.
  3. Turn the ignition switch ON (II).
  4. Select the INSPECTION MENU with the HDS.
  5. Do the TP POSITION CHECK in the ETCS TEST.
  6. US model: Select READ DATA in the REPLACE PCM with the HDS.
  7. Turn the ignition switch OFF.
  8. Jump the SCS line with the HDS.
  9. Remove the cover (D).
    Fig 2: Removing PCM Covers
    G03704389Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Disconnect the PCM connectors (A), (B), (C).
    NOTE: PCM connector A, B, and C have symbols (A= square, B=triangle and C=circle) embosed on them for identification.
  11. Remove the bolts (E), then remove the PCM (F).
  12. Install the PCM in the reverse order of removal.
  13. Open the SCS with the HDS.
  14. Turn the ignition switch ON (II).
    NOTE: US model: DTC P0630 "VIN Not Programmed or Mismatch" may be stored because the VIN has not been programmed into the PCM; ignore it, and continue this procedure.
  15. US model: Input the VIN to the PCM with the HDS.
  16. US model: Select WRITE DATA in the REPLACE PCM with the HDS.
  17. Rewrite the immobilizer code with the PCM replacement procedure in the HDS; it allows you to start the engine.
  18. Reset the PCM with the HDS.
  19. Do the idle learn procedure (see PCM IDLE LEARN PROCEDURE ).
  20. Do the CKP pattern learn procedure (see CKP PATTERN CLEAR/CKP PATTERN LEARN ).
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.