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Clearing Diagnostic Trouble Codes

  1. Connect New Generation Star (NGS) scan tester to the Data Link Connector (DLC) and perform proper hook-up procedure. See EQUIPMENT HOOK-UP  under COMMUNICATION NETWORK DIAGNOSTICS.
  2. Turn ignition switch to ON position 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. To clear an individual DTC from a selected module, rotate dial on scan tool to highlight the DTC to be cleared. Press button No. 8. This will clear only that DTC from that module.
  6. To clear all DTCs from a selected module, press button No. 7. This clears all DTCs from that module. When clearing DTCs from Anti-Lock Brake (ABS) control module, ensure DTCs are cleared from ABS control module. After DTCs are cleared from ABS control module, turn ignition switch to OFF position and then back to the RUN position.
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