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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2748 (Engine Controls - Pinpoint Test Hg: Positive Crankcase Ventilation (PCV) System Through Pinpoint Test JD: Crankshaft Position (CKP) Sensor - (Except Diesel & Hybrid)) >> PINPOINT TEST JB: Secondary Ignition (COP) >> Test Procedure

Test Procedure

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  1. JB1 CHECK FOR DTCS 
    • Are DTCs P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0309, P0310, or P050B present? 
    Yes No
    For DTCs P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0309, P0310 or P0316, GO to  JB3.
    For DTC P050B, GO to  JB13.    		 For symptoms without DTCs, GO to  JB2.
    For all other DTCs, GO toDIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS .
  2. JB2 VISUAL INSPECTION OF THE IGNITION SYSTEM 
    • Visually inspect the engine compartment to make sure all coils are properly and securely connected.
    • Examine all the wiring harnesses and connectors for damaged, burned, or overheated insulation, and loose or broken conditions.
    • Make sure the vehicle battery is in good condition and all of the accessories are turned off.
    • Is a concern present? 
    Yes No
    REPAIR as necessary.
    CLEAR the DTCs. REPEAT the self-test.    		 GO to  JB3.
  3. JB3 DTC P0301 THROUGH P0310: MISFIRE ON CYLINDERS 1 THROUGH 10 
    • Are DTCs P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0309, or P0310 present? 
    Yes No
    For Edge,
    Escape/Mariner 3.0L,
    Explorer 4.6L,
    Explorer Sport Trac 4.6L,
    F-150 4.6L,
    F-150 5.4L,
    Fusion,
    Milan,
    MKX,
    Sable,
    Taurus, and
    Taurus X, GO to  JB4.
    For all others, GO to  JB5.    		 GO to  JB6.
  4. JB4 CHECK SPARK DURATION RELATIVENESS 
    • Monitor the spark duration PIDs.
    • Are the PIDs relative to each other? 
    Yes No
    GO to  JB10. INSPECT the coil boot(s) for the missing cylinder(s). INSTALL a new coil boot(s) if necessary. REFER to the ENGINE IGNITION articles >, Spark Plugs, and INSPECT the spark plug(s) for the missing cylinder(s). MEASURE the resistance of the spark plug(s). INSTALL a new spark plug(s) if the resistance is lower than 2,000 ohms or higher than 20,000 ohms. If the coil boot(s) and spark plugs are OK, INSTALL a new COP(s) for the missing cylinders. CLEAR the DTCs. REPEAT the self-test.
  5. JB5 CHECK FOR SPARK AT THE CYLINDER(S) INDICATED BY THE DTC(S) 
    • Key in OFF position.
    • Disconnect the ignition coil(s) from the spark plug(s).
    • Connect the Air Gap spark tester 303-D037 (D81P-6666-A) or its equivalent to the suspect coil.
    • Crank the engine while the accelerator pedal is fully applied.
    • Observe the spark tester while cranking the engine.
    • Is a bluish-white spark present? 
    Yes No
    GO to  JB8. INSPECT the coil boot(s) for the missing cylinder(s). INSTALL a new coil boot(s) if necessary. REFER to the ENGINE IGNITION articles >, Spark Plugs, and INSPECT the spark plug(s) for the missing cylinder(s). MEASURE the resistance of the spark plug(s). INSTALL a new spark plug(s) if the resistance is lower than 2,000 ohms or higher than 20,000 ohms.
    GO to  JB7.
  6. JB6 CHECK FOR SPARK AT ALL CYLINDERS 
    • Key in OFF position.
    • Disconnect the ignition coil(s) from the spark plug(s).
    • Connect the Air Gap spark tester 303-D037 (D81P-6666-A) or its equivalent to the suspect coil.
    • Crank the engine while the accelerator pedal is fully applied.
    • Observe the spark tester at each cylinder while cranking the engine.
    • Is a bluish-white spark consistent between all cylinders? 
    Yes No
    GO to  JB8. INSPECT the coil boot(s) for the missing cylinder(s). INSTALL a new coil boot(s) if necessary. REFER to the ENGINE IGNITION articles >, Spark Plugs, and INSPECT the spark plug(s) for the missing cylinder(s). MEASURE the resistance of the spark plug(s). INSTALL a new spark plug(s) if the resistance is lower than 2,000 ohms or higher than 20,000 ohms. RECORD the cylinder(s) with inconsistent spark.
    GO to  JB7.
  7. JB7 CHECK THE SECONDARY COIL RESISTANCE FOR THE MISSING CYLINDERS 
    • Key in OFF position.
    • Suspect coil connector disconnected.
    • Measure resistance between: Suspect coil connector, IGN START/RUN, component side and ignition coil spring, located in the ignition coil boot.
    • Is the resistance between 5,000 and 6,000 ohms? 
    Yes No
    refer to PINPOINT TEST Z . INSTALL a new COP.
    CLEAR the DTCs. REPEAT the self-test.
  8. JB8 CHECK THE SPARK PLUGS 
    NOTE: To determine the condition of the spark plugs, refer to the ENGINE articles > and carry out the Spark Plug Inspection.
    • Key in OFF position.
    • Remove and inspect the plugs for damage, wear, carbon tracking or deposits and proper plug gap.
    • Are the plugs OK? 
    Yes No
    GO to  JB9. REPAIR the plug(s). ADJUST the gap or INSTALL a new spark plug(s) as necessary. REFER to the ENGINE IGNITION articles.
    CLEAR the DTCs. REPEAT the self-test.
  9. JB9 CHECK THE SPARK PLUG RESISTANCE 
    • Measure the spark plug resistance.
    • Is the resistance between 2,000 and 20,000 ohms? 
    Yes No
    For Edge,
    Escape/Mariner 3.0L,
    Explorer 4.6L,
    Explorer Sport Trac 4.6L,
    F-150 4.6L,
    F-150 5.4L,
    Fusion,
    Milan,
    MKX,
    Sable,
    Taurus, and
    Taurus X, GO to  JB14.
    For all others, GO to  JB10.    		 INSTALL a new spark plug. REFER to the ENGINE IGNITION articles.
    CLEAR the DTCs. REPEAT the self-test.
  10. JB10 TEST DIRECTION FOR SYMPTOM CHARTS 
    • Were you directed to this pinpoint test? 
    Yes No
    RETURN to the SYMPTOM CHARTS article, Symptom Charts for further direction. GO to  JB11.
  11. JB11 TEST DIRECTION FOR PINPOINT TEST HD 
    • Were you directed to this pinpoint test from pinpoint test step HD6? 
    Yes No
    GO to PINPOINT TEST HD step 7 . GO to  JB12.
  12. JB12 TEST DIRECTION FOR PINPOINT TEST A 
    • Were you directed to this pinpoint test from pinpoint test step A8? 
    Yes No
    GO to PINPOINT TESt A step 9 . The concern is intermittent.
    refer to PINPOINT TEST Z .
  13. JB13 DTC P050B: COLD START PERFORMANCE 
    • Are any other codes besides P050B present? 
    Yes No
    REPAIR all other powertrain related diagnostic trouble codes (DTCs) first. GO to  JB14.
  14. JB14 CHECK THE SPARK CAPTURE CIRCUIT 
    • Access the PCM and monitor the IGNPCM_F PID.
    • Is a concern indicated? 
    Yes No
    GO to  JB16. GO to  JB15.
  15. JB15 CHECK THE IGNITION TIMING PID 
    • Access the PCM and monitor the IGNX_F PIDs.
    • Is a concern indicated? 
    Yes No
    Visually inspect the COP harness for damage, exposed wiring, water contamination, corrosion, and correct assembly. REPAIR as necessary.
    CLEAR the DTCs. REPEAT the self-test.    		 GO to  JB16.
  16. JB16 CHECK FOR CORRECT PCM OPERATION 
    • Disconnect all the PCM connectors.
    • Visually inspect for:
      • pushed out pins
      • corrosion
    • Connect all the PCM connectors and make sure they seat correctly.
    • Carry out the PCM self-test and verify the concern is still present.
    • Is the concern still present? 
    Yes No
    INSTALL a new PCM. REFER toFLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the VID Block for a Replacement PCM. The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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