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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 744 (Engine Controls - Diagnostic Methods - 6.0L Diesel (99P E-Series & 99P F450/550)) >> Analyzing PCM Data >> Various Data Procedures >> Harness Shorts

Harness Shorts

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The purpose is to check harness for short circuits (to ground or power).

  1. Key off only.
  2. DLC disconnected from any scan tools.
  3. Disconnect the component from vehicle harness.
  4. Using an ohmmeter, measure the resistance between the signal circuit and signal return circuit, power ground circuit, VREF circuit or vehicle power.
  5. If reading is less than 5 ohms, then the two circuits are shorted.
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