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Test N: No Module/Network Communication - No Power To NGS Tester

  1. Inspect New Generation Star (NGS) tester terminals for damage. If terminals are okay, go to next step. If terminals are not okay repair as necessary.
  2. Turn ignition switch to OFF position. Inspect Data Link Connector (DLC) terminals for damage. If terminals are okay, go to next step. If terminals are not okay, repair as necessary.
  3. Measure voltage between ground and terminal No. 16 (Light Blue/White wire) at DLC. See Figure . If voltage is more than 10 volts, go to next step. If voltage is 10 volts or less, repair open in Light Blue/White wire between DLC and central junction box.
  4. Measure resistance between ground and terminal No. 4 (Black wire) at DLC. Measure resistance between ground and terminal No. 5 (Black wire) at DLC. If both resistances are less than 5 ohms, check NGS tester. If either resistance is 5 ohms or more, repair open in appropriate Black wire.
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