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HOMESERVICE MANUALSFORD2007ESCAPE BASE, 2.3 Z, FWD, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1366 (ENGINE CONTROLS - PINPOINT TESTS (HYBRID))PINPOINT TEST JD: CRANKSHAFT POSITION (CKP) SENSORTEST PROCEDURE
2007 Ford Escape Base, 2.3 Z, FWD, Automatic

Test Procedure

2007 Ford Escape Base, 2.3 Z, FWD, AutomaticSECTION Test Procedure
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. JD1 CHECK THE CKP SENSOR SIGNAL TO THE PCM 
    NOTE: If entering this test for DTC P061A, answer the question No and follow the go to step.
    • Battery fully charged and starting system functioning properly.
    • Ignition ON, engine OFF.
    • Access the PCM and monitor the RPM (RPM) PID.
    • Crank the engine using the engine cranking diagnostic mode. Refer to DIAGNOSTIC MODES .

    Is the RPM between 900 - 1,200 RPM? 

    Yes No
    The CKP, PCM, and harness are working properly.
    RETURN to SYMPTOM CHARTS for further direction.    		 For DTCs P0727 and P0C2F, GO to  JD2.
  2. JD2 CHECK THE TIMING COVER, CKP SENSOR, AND CRANKSHAFT PULSE WHEEL FOR OBVIOUS PHYSICAL DAMAGE 
    • Ignition OFF.
    • Visually check the timing cover, CKP sensor, and crankshaft pulse wheel (outside the timing cover) for obvious physical damage.

    Do any parts appear physically damaged? 

    Yes No
    REPAIR or INSTALL a new component as necessary.
    Clear the PCM DTCs. REPEAT the self-test.    		 GO to  JD3.
  3. JD3 CHECK FOR PROPER CKP BIAS VOLTAGES IN THE PCM 
    • CKP Sensor connector disconnected.
    • Ignition ON, engine OFF.
    • Measure the voltage between:
    VOLTAGE REFERENCE CHART

    (+) CKP Sensor Connector, Harness Side (-) Vehicle Battery
    CKP+ - Pin 1 Negative terminal
    CKP- - Pin 2 Negative terminal

    Are the voltages between 1 - 3 V? 

    Yes No
    GO to  JD4. GO to  JD6.
  4. JD4 CHECK THE CKP SENSOR RESISTANCE 
    NOTE: The CKP sensor resistance values change significantly with temperature rise.
    • Ignition OFF.
    • Measure the resistance between:
    RESISTANCE REFERENCE CHART

    (+) CKP Sensor Connector, Component Side (-) CKP Sensor Connector, Component Side
    CKP+ - Pin 1 CKP- - Pin 2

    Is the resistance between 0.25K - 1.1K ohms? 

    Yes No
    GO to  JD5. INSTALL a new CKP sensor. Clear the PCM DTCs. REPEAT the self-test.
  5. JD5 CHECK THE CKP HARNESS SHIELD GROUND 
    NOTE: The harness shield protects the CKP signal from electrical noise and is grounded at one end, typically near the PCM.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.