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HOMESERVICE MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 135 (FUEL SYSTEM & EMISSIONS SYSTEM)GENERAL TROUBLESHOOTING INFORMATIONCKP PATTERN CLEAR/CKP PATTERN LEARN
2002 Honda Civic Si

CKP Pattern Clear/CKP Pattern Learn

2002 Honda Civic SiSECTION CKP Pattern Clear/CKP Pattern Learn
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.
NOTE: The ECT needs to be at 176°F (80°C) or higher.
  1. Clear the CKP pattern while the engine is stopped.
  2. Turn the ignition switch OFF.
  3. Turn the ignition switch ON (II), and wait 30 seconds.
  4. Test-drive the vehicle on a level road: decelerate (with the throttle fully closed) from an engine speed of 2,500 rpm to 1,000 rpm with the A/T in 2 position.
  5. Stop the vehicle, but keep the engine running.
  6. Check PULSER F/B LEARN in the DATA LIST with the HDS. If it is NOT COMPLETED, go to  4 . If it is COMPLETED, go to step 7.
  7. Test-drive the vehicle on a level road: decelerate (with the throttle fully closed) from an engine speed of 5,000 rpm to 3,000 rpm with the A/T in 2 position.
  8. Stop the vehicle, but keep the engine running.
  9. Check the PULSER F/B LEARN (HIGH RPM) in the DATA LIST with the HDS. If it is NOT COMPLETED, go to  7 . If it is COMPLETED, go to step 10.
  10. Turn the ignition switch OFF.
  11. Turn the ignition switch ON (II), and wait 30 seconds. The CKP learning procedure is complete.
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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.