Diagnostic Commands

1996 Ford Crown Victoria Police Interceptor, 4.6 9SECTION Diagnostic Commands
  1. This test is used to verify the operation of the output circuitry of the module being tested. The ignition switch must be in the RUN position or test will fail. Perform New Generation Star Tester Hookup and vehicle selection. See NEW GENERATION STAR (NGS) TESTER USAGEΒ  .
  2. Rotate dial to menu item Diagnostic Data Link and press trigger.
  3. Select module by rotating dial to highlight module and press trigger.
  4. Rotate dial to highlight menu item Active/Command Modes, press trigger.
  5. Rotate dial to selected command and press trigger. Command the output by rotating dial and pressing trigger as needed.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.