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DTC P0011: VTC System Malfunction

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review GENERAL TROUBLESHOOTING INFORMATION .
  1. Turn the ignition switch ON (II).
  2. Clear the DTC with the HDS.
  3. Start the engine.
  4. Watch the low oil pressure indicator with the engine running.

    Is the low oil pressure indicator on? 

    YES  - Check the oil pressure (see OIL PRESSURE TEST ), make any needed repairs, then go to step  15.

    NO  - Go to step  5.

  5. Do the VTC TEST in the INSPECTION MENU with the HDS.

    Is the result OK? 

    YES  - Go to step  6.

    NO  - Go to step  9.

  6. Test-drive at a steady speed between 19-38 mph (30-60 km/h) for 10 minutes.
  7. Check the VTC STATUS in the DATA LIST with the HDS.

    Does it indicate ON? 

    YES  - Go to step  8.

    NO  - Go to step  6 and recheck.

  8. Monitor the OBD STATUS for DTC P0011 in the DTCs MENU with the HDS.

    Does the screen indicate FAILED? 

    YES  - Go to step  9.

    NO  - If the screen indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the VTC oil control solenoid and the ECM/PCM. If the screen indicates NOT COMPLETED; go to step  5 and recheck.

  9. Turn the ignition switch OFF.
  10. Remove the power steering pump and the auto-tensioner (see DRIVE BELT AUTO-TENSIONER REPLACEMENT ).
  11. Remove the VTC strainer (A), and check it for clogging.

    Is the strainer OK? 

    YES  - Go to step  12.

    NO  - Clean the VTC strainer, replace the engine oil filter and the engine oil, then go to step  14.

    Fig 1: Identifying VTC Strainer
    G05449170Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Test the VTC oil control solenoid valve (see VTC OIL CONTROL SOLENOID VALVE REMOVAL/TEST/INSTALLATION  ).

    Is the VTC oil control solenoid valve OK? 

    YES  - Go to step  13.

    NO  - Replace the VTC oil control solenoid valve (see VTC OIL CONTROL SOLENOID VALVE REMOVAL/TEST/INSTALLATION  ), then go to step  14.

  13. Inspect the VTC actuator (see VTC ACTUATOR INSPECTION ).

    Is the VTC actuator OK? 

    YES  - Go to step  14.

    NO  - Replace the VTC actuator (see VTC ACTUATOR, EXHAUST CAMSHAFT SPROCKET REMOVAL AND INSTALLATION ), then go to step  14.

  14. Turn the ignition switch ON (II).
  15. Reset the ECM/PCM with the HDS.
  16. Clear the CKP pattern with the HDS.
  17. Do ECM/PCM IDLE LEARN PROCEDURE .
  18. Do the CKP pattern learn procedure (see CRANK (CKP) PATTERN CLEAR/CRANK (CKP) PATTERN LEARN ).
  19. Do the VTC TEST in the INSPECTION MENU with the HDS.
  20. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC P0011 indicated? 

    YES  - Check for poor connections or loose terminals at the VTC oil control solenoid valve and the ECM/PCM, then go to step  1.

    NO  - Go to step  21.

  21. Monitor the OBD STATUS for DTC P0011 in the DTCs MENU with the HDS.

    Does the screen indicate PASSED? 

    YES  - Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in step  20, go to the indicated DTCs troubleshooting.

    NO  - If the screen indicates FAILED, check for poor connections or loose terminals at the VTC oil control solenoid valve and the ECM/PCM, then go to step  1. If the screen indicates NOT COMPLETED, go to step  19.

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