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On-Demand Self-Test

WARNING: This page is about a different car, the 1997 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: On-Demand Self-Test may be used to verify operation of a selected module.
  1. Connect New Generation Star (NGS) scan tester on Data Link Connector (DLC) and perform proper hook-up procedure. See EQUIPMENT HOOK-UP  .
  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 to be tested and press trigger. Ensure DIAGNOSTIC TEST MODES is highlighted and press trigger.
  4. Rotate dial on scan tester to highlight ON-DEMAND SELF-TEST and press trigger. Press button No. 3 to start the test. Prepare vehicle for entry condition as specified for each module. Press trigger. Record any Diagnostic Trouble Codes (DTCs) that are displayed. Perform appropriate DTC test.
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