LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P000A To P0155 >> Diagnosis And Testing >> P0017-Crankshaft/Camshaft Timing Misalignment - Bank 1 Sensor 2 >> Diagnostic Test

Diagnostic Test

  1. ACTIVE DTC 
    1. Turn the ignition on.
    2. Using the scan tool, read DTCs.
    3. Record the related Freeze Frame data.
    4. Using the scan tool, erase DTCs.
    5. Start the engine and allow it to reach operating temperature.
      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 may result in possible serious or fatal injury.

    6. Using the scan tool, read the active DTCs.
      NOTE:

      Diagnose and repair any Camshaft Position Actuator Circuit Open DTCs before continuing with this test.

      NOTE:

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

      Is the DTC Active at this time?

      Yes 

      • Go To  2

      No 

  2. ENGINE OIL/ENGINE MECHANICAL 
    NOTE:

    The following items should be considered before determining the cause of this DTC. Failure to do so may lead to misdiagnosis.

    • ENGINE MECHANICAL TOLERANCES OUT OF SPECIFICATION
    • ENGINE OIL PRESSURE OUT OF SPECIFICATION
    • LOW ENGINE OIL LEVEL
    • ENGINE OIL FILTER INCORRECT (DOES NOT MEET OEM SPECIFICATIONS)
    • DETERIORATED OR DIRTY OIL
    • ENGINE OIL CONTAMINATED (i.e., coolant and/or fuel)
    • INCORRECT ENGINE OIL VISCOSITY
    • ENGINE OIL AERATED

    1. If any of the above conditions are found, repair as necessary.

      Were any of the above conditions present?

      Yes 

      No 

      • Go To  3
  3. CAMSHAFT POSITION SENSOR CIRCUIT WIRING OR CONNECTORS 
    1. Turn the ignition off.
    2. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Camshaft Position Sensor and the Powertrain Control Module (PCM).
    3. Look for any chafed, pierced, pinched or partially broken wires.
    4. Verify that there is good pin to terminal contact in the Camshaft Position Sensor and the Powertrain Control Module connectors.
    5. Look for broken, bent, pushed out or corroded terminals.
    6. Inspect the Camshaft Position Sensor for conditions such as loose mounting screws, damage or cracks.

      Were any problems found?

      Yes 

      No 

      • Go To  4
  4. CRANKSHAFT POSITION SENSOR CIRCUIT WIRING OR CONNECTORS 
    1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Crankshaft Position Sensor and the Powertrain Control Module (PCM).
    2. Look for any chafed, pierced, pinched or partially broken wires.
    3. Look for broken, bent, pushed out or corroded terminals.
    4. Verify that there is good pin to terminal contact in the Crankshaft Position Sensor and the Powertrain Control Module connectors.
    5. Remove the Crankshaft Position Sensor.
    6. Inspect the Crankshaft Position Sensor, mounting area, and tone wheel for any condition that would result in an incorrect signal, such as damage, evidence of foreign material or excessive movement.

      Were any problems found?

      Yes 

      No 

      • Go To  5
  5. CAMSHAFT, TONE WHEEL OR PULSE RING 
    1. Turn the ignition off.
    2. Remove the Camshaft Position Sensor.
    3. Inspect the Camshaft Position Sensor, mounting area, and tone wheel for any condition that would result in an incorrect signal, such as damage, evidence of foreign material or excessive movement.

      Were any problems found?

      Yes 

      • Repair as necessary in accordance with the Service Information.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  6
  6. TIMING SPROCKET ALIGNMENT 
    1. Verify proper timing sprocket alignment in accordance with the service information.

      Is the timing alignment correct?

      Yes 

      • Go To  7

      No 

      • Repair as necessary in accordance with the service information.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  7. CAMSHAFT POSITION SENSOR IRREGULAR SIGNAL 
    1. Turn the ignition off.
    2. Install any previously removed components. Reconnect all connectors.
    3. Using a lab scope and back probing tool, back probe the (K441) CMP Sensor Signal 1/2 circuit in the Camshaft Position Sensor harness connector.
    4. Start the engine.
    5. Wiggle the related wire harness and lightly tap on the Camshaft Position Sensor while monitoring the lab scope screen.
    6. Monitor the Camshaft Position Sensor signal on the lab scope screen.

      Were any Camshaft Position Sensor signals irregular or missing?

      Yes 

      • Go To  9

      No 

      • Go To  8
  8. CRANKSHAFT POSITION SENSOR IRREGULAR SIGNAL 
    1. Turn the ignition off.
    2. Using a lab scope and back probing tool, back probe the (K24) CKP Signal circuit in the Crankshaft Position Sensor harness connector.
    3. Start the engine.
    4. Wiggle the related wire harness and lightly tap on the Crankshaft Position Sensor while monitoring the lab scope screen.
    5. Monitor the Crankshaft Position Sensor signal on the lab scope screen.

      Were any Crankshaft Position Sensor signals irregular or missing?

      Yes 

      • Go To  10

      No 

      • Go To  11
  9. CAMSHAFT POSITION SENSOR 
    1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Camshaft Position Sensor and the Powertrain Control Module (PCM).
    2. Look for any chafed, pierced, pinched or partially broken wires.
    3. Verify that there is good pin to terminal contact in the Camshaft Position Sensor and the Powertrain Control Module connectors.
    4. Look for broken, bent, pushed out or corroded terminals.

      Were any problems found?

      Yes 

      No 

  10. CRANKSHAFT POSITION SENSOR 
    1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Crankshaft Position Sensor and the Powertrain Control Module (PCM).
    2. Look for any chafed, pierced, pinched or partially broken wires.
    3. Verify that there is good pin to terminal contact in the Crankshaft Position Sensor and the Powertrain Control Module connectors.
    4. Look for broken, bent, pushed out or corroded terminals.

      Were any problems found?

      Yes 

      No 

  11. POWERTRAIN CONTROL MODULE (PCM) 
    1. Turn the ignition off.
    2. Perform any Technical Service Bulletins that may apply.

      Were there any TSBs related to this fault or condition?

      Yes 

      No 

scientia non olet · About LEMON Manuals