2002 Ford Focus SVTFACTORY OEM SERVICE PROCEDURE

Test B: Powertrain Control Module Does Not Respond To Scan Tool

  1. Turn ignition switch to LOCK position. Disconnect PCM harness connector C415. Measure resistance between PCM harness connector C415 terminal No. 16 (Gray/Orange wire) and DLC terminal No. 2 (Gray/Red wire). See Figure and Fig 1 . If resistance is less than 5 ohms, go to next step. If resistance is greater than 5 ohms , repair open between C415 and DLC connector. Test system operation.
  2. Measure resistance between PCM connector C415 terminal No. 15 (Blue/Black wire) and DLC connector terminal No. 10 (Blue/Red wire). If resistance is less than 5 ohms, replace PCM and test system operation. If resistance is greater than 5 ohms, repair open between C415 and DLC connector. Test system operation.
Fig 1: Identifying PCM Harness Connector C415 Terminals
G96F31315Courtesy of FORD MOTOR CO.
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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.

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