LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 1.6L Engine - DTCS P0303 To P0629 >> Diagnosis And Testing >> P0315-No Crank Learned >> Diagnostic Test

Diagnostic Test

  1. 1)  MISFIRE MONITOR ENABLED 
    NOTE: Check for any TSB's that may apply to this symptom.

    Turn the ignition on.

    With the scan tool in the Miscellaneous Functions menu, select Clear PCM Batt Disconnect to reset the PCM. Turn the ignition off for a minimum of 8 seconds.

    Turn the ignition on. With the scan tool under OBDII Monitors, refer to the Misfire Monitor Info screen.

    Test drive the vehicle. Watch for the Misfire Monitor Enabled line on the display to change from NO to YES.

    Does the Misfire Monitor Enabled line on the display change from NO to YES? 

    Yes 

    1. Go To  2).

    No 

    1. Go To  3).
  2. 2)  INTERMITTENT CONDITION 
    WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death.
    NOTE: The conditions that set the DTC are not present at this time. The following list may help in identifying the intermittent condition.

    With the engine running at normal operating temperature, monitor the scan tool parameters related to the DTC while wiggling the wiring harness. Look for parameter values to change and/or a DTC to set.

    Review the scan tool Freeze Frame information. If possible, try to duplicate the conditions under which the DTC was set.

    Refer to any Technical Service Bulletins (TSB) that may apply.

    Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.

    Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.

    Were any of the above conditions present? 

    Yes 

    1. Repair as necessary
    2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .

    No 

    1. Test Complete.
  3. 3)  WIRING HARNESS INSPECTION 

    Visually inspect the CKP wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.

    Visually inspect the CKP wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.

    Ensure the Crankshaft Position Sensor properly installed and the mounting bolt(s) tight.

    Refer to any TSB that may apply.

    Were any of the above conditions present? 

    Yes 

    1. Repair as necessary
    2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .

    No 

    1. Go To  4).
  4. 4)  TONE WHEEL/FLEX PLATE INSPECTION 

    Turn the ignition off.

    Remove the Crankshaft Position Sensor.

    Inspect the Tone Wheel/Flex Plate slots for damage, foreign material, or excessive movement.

    Were any problems found? 

    Yes 

    1. Repair or replace the Tone Wheel/Flex Plate as necessary.
    2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .

    No 

    1. Go To  5).
  5. 5)  CRANKSHAFT POSITION SENSOR 

    If there are no possible causes remaining, view repair. 

    Repair 

    1. Replace the Crankshaft Position Sensor.
    2. Perform the POWERTRAIN VERIFICATION TEST. (Refer to STANDARD PROCEDURE - POWERTRAIN VERIFICATION TEST) .
scientia non olet · About LEMON Manuals