Retrieving Diagnostic Trouble Codes

1997 Ford Explorer 4D Utility, 4.0 X, RWD, AutomaticSECTION Retrieving Diagnostic Trouble Codes
NOTE: Procedure may be used for retrieving continuous Diagnostic Trouble Codes (DTCs).
  1. Connect New Generation Star (NGS) scan tester to Data Link Connector (DLC) and perform proper hook-up procedure. See EQUIPMENT HOOK-UP .
    NOTE: If instructed to retrieve Diagnostic Trouble Codes (DTCs) from a specified test procedure, ensure ignition is in proper position as listed in test procedure or the test will fail.
  2. Turn ignition on unless otherwise instructed by specified test procedure. Rotate dial on scan tester to DIAGNOSTIC DATA LINK menu and press trigger.
  3. Rotate dial on scan tester to highlight the desired module you wish to access. Ensure DIAGNOSTIC TEST MODES is highlighted and press trigger.
  4. Rotate dial on scan tester to highlight RETRIEVE/CLEAR CONTINUOUS DTC and press trigger. Press button No. 3 to start.
  5. Record all Diagnostic Trouble Codes (DTCs) that are displayed for specified module. Proceed to DIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS for DTC identification and reference for proper DTC testing procedure. DIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS are listed after TESTING  in this article.
RENDER: 1.0x

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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.