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Home >> Honda >> 2005 >> Pilot EX >> Repair and Diagnosis >> Engine Performance >> System >> Fuel And Emissions Systems >> General Troubleshooting Information >> CKP PATTERN CLEAR/CKP Pattern Learn
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CKP PATTERN CLEAR/CKP Pattern Learn

NOTE:
  • The ECT needs to be at 176°F (80°C) or higher.
  • Before doing this procedure, check "PULSER F/B LEARN" and "PULSER F/B LEARN (HIGH RPM)" in the DATA LIST with the HDS. If both values show N/A, this procedure is not needed. Go back to the troubleshooting or other procedures you were doing.
  • If only "PULSER F/B LEARN (HIGH RPM)" shows N/A, skip steps  7 through  9.
  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 for 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 step  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 step  7. If it is COMPLETED, go to step 10.
  10. Turn the ignition switch OFF.
  11. Turn the ignition switch ON (II), and wait for 30 seconds. The CKP learning procedure is completed.
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