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Audible Warnings System Diagnostic System Check

  1. Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel, to right of steering column. See Figure . Turn ignition switch to RUN position. If scan tool powers up, go to next step. If scan tool does not power up, go to TEST G: SCAN TOOL DOES NOT POWER UP in appropriate BODY CONTROL MODULES article.
  2. Turn ignition switch to RUN position. Try to establish scan tool communication with all modules. If communication with all modules is established, go to next step. If communication with all modules is not established, go to TEST F: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in appropriate BODY CONTROL MODULES article.
  3. Select DISPLAY DTC function for each module. Record all displayed DTCs and status of displayed DTCs. If any DTCs are displayed, go to next step. If no DTCs are displayed, attempt to diagnose system by symptom. See SYMPTOM INDEX  table under SYSTEM TESTS.
  4. If scan tool does not display any DTCs that begin with "U", go to next step. If scan tool displays any DTCs that begin with "U", go to TEST F: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in appropriate BODY CONTROL MODULES article.
  5. If scan tool displays DTCs B1000, B1013, B1334, B1339, B1354, or B1422, perform appropriate test. See appropriate BODY CONTROL MODULES article. If scan tool does not display DTCs B1000, B1013, B1334, B1339, B1354, or B1422, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  .
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