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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 747 (Engine Controls - Pinpoint Tests - 6.0L Diesel (99P E-Series & 99P F450/550)) >> Pinpoint Test AD: PCM Reset >> Test Procedure

Test Procedure

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2004 Ford RV Cutaway, 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, and 2004 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
  1. AD1 CHECK FOR DTCs 
    • Connect the scan tool.
    • Record any DTCs.
    • Clear DTCs.
    • Perform the On-Demand Self Test.

    ARE ANY DTCS PRESENT? 

    Yes No
    Go to the appropriate DTC pinpoint test. Go to  AD2.
  2. AD2 CHECK VEHICLE BATTERY POWER CIRCUIT 
    • Key off.
    • Disconnect the PCM body harness connector.
    • Key on.
    • Measure voltage between the PCM body harness connector pin 34 and pin 46 and ground.
    • Check for loose connections. Check for damaged pins or corrosion. Wiggle the harness while taking measurements.

    IS VOLTAGE PRESENT? 

    Yes No
    Go to  AD3. REPAIR open in the circuit. RESTORE the vehicle. RETEST the system.
  3. AD3 CHECK PCM POWER RETURN CIRCUIT 
    • Key off.
    • Measure resistance between the PCM body harness connector pin 11 and pin 23 and ground.

    IS THE RESISTANCE LESS THAN 5 OHMS? 

    Yes No
    Unable to duplicate condition. CHECK for loose connections, damaged or corroded pins. WIGGLE harness attempting to recreate fault. REFER to SYMPTOM CHARTS - 6.0L DIESEL . REPAIR open in power return circuit. RESTORE the vehicle. RETEST the system.
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