LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (PGM-FI System) >> DTC Troubleshooting >> DTC P0369: CMP Sensor Circuit Intermittent Interruption

DTC P0369: CMP Sensor Circuit Intermittent Interruption

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
  1. Turn the ignition switch to ON (II).
  2. Clear the DTC with the HDS.
  3. Start the engine, and let it idle for 10 seconds.
  4. Check the CMP B NOISE in the DATA LIST with the HDS.

    Are 0 counts indicated? 

    YES  -Go to step  7.

    NO  -Go to step  5.

  5. Test-drive the vehicle for several minutes in the range of these recorded freeze data parameters:
    • ENGINE SPEED
    • VSS
  6. Check the CMP B NOISE in the DATA LIST with the HDS.

    Are 0 counts indicated? 

    YES  -Go to step  7.

    NO  -Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the CMP sensor and the PCM.

  7. Check for poor connections or loose terminals at these locations:
    • CMP sensor
    • PCM
    • Engine ground
    • Body ground

    Are the connections and terminals OK? 

    YES  -Go to step  8.

    NO  -Repair the connections or terminals, then go to step  11.

  8. Check for damage on the CMP sensor pulser plate (see CMP PULSE PLATE REMOVAL AND INSTALLATION ).

    Is the pulser plate damaged? 

    YES  -Replace the CMP sensor pulser plate (see CMP PULSE PLATE REMOVAL AND INSTALLATION ), then go to step  11.

    NO  -Go to step  9.

  9. Turn the ignition switch to LOCK (0).
  10. Replace the CMP sensor (see CMP SENSOR REPLACEMENT ).
  11. Turn the ignition switch to ON (II).
  12. Reset the PCM with the HDS.
  13. Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ).
  14. Start the engine, and let it idle for 10 seconds.
  15. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0369 indicated? 

YES  -Check for poor connections or loose terminals at the CMP sensor and the PCM, then go to step  1.

NO  -Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.