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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (DTCS P0016 To P0128, Intermittent Condition, Checking Exhaust System, Temperature Sensors, Power & Ground Circuits) >> P0016-Crankshaft/Camshaft Timing Misalignment >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. 1) ACTIVE DTC  
    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.

    With the scan tool clear the DTC(s).

    Start the engine and run until operating temp is reached. (Closed Loop)

    If the DTC does not reset it may be necessary to test drive the vehicle.

    Does the P0016 return? 

    Yes 

    1. Go to  2).

    No 

    1. Refer to INTERMITTENT CONDITION .
    2. Perform POWERTRAIN VERIFICATION TEST .
  2. 2) CHECKING THE CMP SIGNAL WITH A LAB SCOPE 
    Fig 1: Checking The CMP Signal
    GC0041517Courtesy of CHRYSLER LLC

    With a lab scope, backprobe the (K44) CMP Signal circuit at the CMP Sensor harness connector.

    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.

    Start the engine.

    Observe the lab scope screen.

    Are there any irregular or missing signals? 

    Yes 

    1. Go to  3).

    No 

    1. Go to  6).
  3. 3) CMP WIRE HARNESS INSPECTION 

    Turn the ignition off.

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

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

    Make sure the Crankshaft Position Sensor and the Camshaft Position Sensor are properly installed and the mounting bolt(s) are torqued to their proper specification.

    Refer to any TSBs that may apply.

    Were any of the above conditions present? 

    Yes 

    1. Repair as necessary.
    2. Perform POWERTRAIN VERIFICATION TEST .

    No 

    1. Go to  4).
  4. 4) TONE WHEEL/PULSE RING INSPECTION 

    Remove the Camshaft Position Sensor.

    Inspect the Tone Wheel/Pulse Ring for damage, foreign material or excessive movement.

    Were any problems found? 

    Yes 

    1. Repair or replace the Tone Wheel/Pulse Ring as necessary.
    2. Perform POWERTRAIN VERIFICATION TEST .

    No 

    1. Go to  5).
  5. 5) CAMSHAFT POSITION SENSOR  

    If there are no possible causes remaining, view repair. 

    Repair 

    1. Replace the Camshaft Position Sensor.
    2. Perform POWERTRAIN VERIFICATION TEST .
  6. 6) ERRATIC CMP SIGNAL  

    Turn the ignition off.

    Remove the lab scope probe.

    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.

    Ignition on, engine not running.

    With scan tool, erase DTCs.

    Start the engine.

    Gently tap on and wiggle the Cam Position Sensor.

    Ignition on, engine not running.

    Inspect the Sensor connector and harness connector, and inspect the PCM connector and harness connector for loose, bent, corroded or pushed out pins/terminals.

    Inspect the related wire harness and the splices in the CMP circuit.

    Does the P0016 return? 

    Yes 

    1. Repair the wiring/connector concerns as needed or replace the Camshaft Position Sensor.
    2. Perform POWERTRAIN VERIFICATION TEST .

    No 

    1. Go to  7).
  7. 7) CHECKING THE CKP SIGNAL WITH A LAB SCOPE 
    Fig 2: Checking The CKP Signal
    GC0041518Courtesy of CHRYSLER LLC

    Turn the ignition off.

    With a lab scope, backprobe the (K24) CKP Signal circuit at the CKP harness connector.

    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.

    Start the engine.

    Observe the lab scope screen.

    Are there any irregular or missing signals? 

    Yes 

    1. Go to  8).

    No 

    1. Go to  10).
  8. 8) CKP WIRE HARNESS INSPECTION 

    Turn the ignition off.

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

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

    Make sure the Crankshaft Position Sensor and the Camshaft Position Sensor are properly installed and the mounting bolt(s) are torqued to their proper specification.

    Refer to any TSBs that may apply.

    Were any of the above conditions present? 

    Yes 

    1. Repair as necessary.
    2. Perform POWERTRAIN VERIFICATION TEST .

    No 

    1. Go to  9).
  9. 9) TONE WHEEL/FLEX PLATE INSPECTION 

    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 POWERTRAIN VERIFICATION TEST .

    No 

    1. Replace the Crankshaft Position Sensor.
    2. Perform POWERTRAIN VERIFICATION TEST .
  10. 10) ERRATIC CKP SIGNAL  
    NOTE: The conditions that set this DTC are not present at this time. The following test may help in identifying the 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.

    Start the engine.

    Gently tap on and wiggle the Crank Position Sensor.

    Turn the ignition off.

    Inspect the Sensor connector and harness connector, and inspect the PCM connector and harness connector for loose, bent, corroded or pushed out pins/terminals.

    Inspect the related wire harness and the splices in the CKP circuits.

    Were any problems found? 

    Yes 

    1. Repair the wiring/connector concerns as needed or replace the Crankshaft Position Sensor.
    2. Perform POWERTRAIN VERIFICATION TEST .

    No 

    1. Test Complete.
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