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HOMESERVICE MANUALSFORD2007FOCUS SES, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - PINPOINT TEST KP: CHARGE AIR COOLER (CAC) PUMP THROUGH PINPOINT TEST Z: INTERMITTENT - (EXCEPT DIESEL & HYBRID)PINPOINT TEST Z: INTERMITTENTTEST PROCEDURE
2007 Ford Focus SES, 4D Sedan, Standard

Test Procedure

2007 Ford Focus SES, 4D Sedan, StandardSECTION Test Procedure
  1. Z1 DIRECTION FOR INTERMITTENT DIAGNOSTIC PATH 
    NOTE: Proceed with this step only if the powertrain control module (PCM) was not previously cleared. Record freeze frame data prior to clearing the PCM DTCs. Clearing the DTCs clears any freeze frame data and eliminates FMEM. This helps to recreate the original conditions that set the DTCs or caused the symptom.
    • Key ON, engine OFF.
    • Clear the PCM DTCs.
    • Are the PCM DTCs cleared? 
    Yes No
    GO to  Z2. RESET the keep alive memory (KAM). REFER to RESETTING THE KEEP ALIVE MEMORY (KAM) .
  2. Z2 SELECT THE PIDS AND/OR SIGNALS RELATED TO THE SYSTEM 
    • A list of related PIDs and/or signals are needed for use with the scan tool to monitor the suspect areas. Obtain the customer symptom description. Use the Reference Value Symptom chart and proceed to the Reference Value PID/Signal Measurement chart located at the beginning of Reference Values.
    • Highlight each available PID/signal recommended by the charts under the PID/signal selection menu on the scan tool.
    • Are all available PIDs/signals related to the symptom selected? 
    Yes No
    GO to  Z3. REPEAT the test step. GO to  Z2.
  3. Z3 DECISION TO VERIFY THE SYMPTOM 
    NOTE: The path to symptom verification is optional, but is recommended for several reasons. For example: the vehicle is back for a repeat repair, or there is no DTC present.
    • Is a concern symptom detected? 
    Yes No
    GO to  Z10. GO to  Z4.
  4. Z4 COLLECT ANY SYMPTOM RELATED DATA TO AID IN VERIFICATION 
    NOTE: Only MIL codes trigger freeze frame data. Refer to the scan tool instruction manual to retrieve the freeze frame information.
    • Prepare the freeze frame data for use with information from the Symptom Charts.
    • Check for continuous memory DTCs that should have been recorded from an earlier pinpoint test.
    • Access the information from the customer information worksheet and the customer if available. Access any other symptom related data available, such as TSBs.
    • Is all available data recorded? 
    Yes No
    GO to  Z5. GATHER as much data as possible to aid in isolating the intermittent concern area. REPEAT the test step. GO to  Z4.
  5. Z5 RECREATE THE SYMPTOM USING ALL AVAILABLE DATA 
    NOTE: To recreate the original conditions that set the DTC or caused the symptom, the vehicle may require driving.
    • With the scan tool, select and monitor the same PIDs as displayed in freeze frame along with any previously selected PIDs/signals from step Z2. Using the freeze frame data recorded earlier, recreate the conditions described by each freeze frame PID. Pay special attention to ECT, LOAD, RPM and VSS. Also, use any available data from the customer, TSBs, and other sources to aid in producing the correct conditions for recreating the symptom.
    • When the symptom occurs, press the trigger to begin recording. Refer to the scan tool instruction manual for information on the recorder function.
    • Can the symptom be recreated? 
    Yes No
    GO to  Z10. GO to  Z6.
  6. Z6 RECREATE THE SYMPTOM USING THE KOEO AND ROAD TEST PROCEDURE 
    NOTE: PIDs for output in the Reference Value Charts represent command values only. Circuit measurements with a digital multimeter indicate the actual output status. Therefore, in the case of a concern, the PID and circuit reading on the vehicle may not correspond with each other. PIDs for PCM/TCM circuits with a mismatch in the digital multimeter measurement indicate a possible PCM/TCM concern.
    • The road test is the last attempt to locate the area of concern before physically disturbing vehicle circuits.
    • The Intermittent Road Test Procedure is a set of instructions for monitoring PIDs/signals with a scan tool and circuit measurements with a digital multimeter. This is done under 4 different conditions - key on/engine off, hot idle, 48 km/h (30 mph) and 88 km/h (55 mph). Use the typical diagnostic reference values from REFERENCE VALUES GASOLINE ENGINES--> article to compare with the actual vehicle.
    • Locate the correct Reference Value Chart.
    • Setup the vehicle to measure the circuits with a digital multimeter and a scan tool.
    • Connect a scan tool to the DLC.
    • Key ON, engine OFF.
    • With the scan tool, select and monitor PIDs and measure the circuits shown in the Reference Value Chart.
    • Compare the scan tool PIDs and digital multimeter values to the Reference Value Charts.
    • Are any values out of range? 
    Yes No
    GO to  Z10. GO to  Z7.
  7. Z7 RECREATE THE SYMPTOM USING THE HOT IDLE ROAD TEST PROCEDURE 
    NOTE: The engine temperature should be at least 87°C (189°F).
    • Key ON, engine running.
    • Continue to monitor the PIDs and circuits as in the previous step.
    • Are any values out of range? 
    Yes No
    GO to  Z10. GO to  Z8.
  8. Z8 RECREATE THE SYMPTOM USING THE 48 KM/H (30 MPH) SLOW CRUISE ROAD TEST PROCEDURE 
    • Drive the vehicle on a preplanned route.
    • Continue to monitor the PIDs and circuits as in the previous step.
    • Are any values out of range? 
    Yes No
    GO to  Z10. GO to  Z9.
  9. Z9 RECREATE THE SYMPTOM USING 88 KM/H (55 MPH) HIGH CRUISE ROAD TEST PROCEDURE 
    • Continue to drive the vehicle on the preplanned route.
    • Continue to monitor the PIDs and circuits as in the previous step.
    • Are any values out of range? 
    Yes No
    GO to  Z10. It is now necessary to physically disturb the selected vehicle circuits in an attempt to recreate the intermittent concern.
    GO to  Z10.
  10. Z10 SELECT THE CIRCUITS FROM THE PCM PIDS/SIGNALS CHART 
    NOTE: From the same chart, be sure to select and proceed with the appropriate test type.
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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.