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Test Ab: High Beam Indicator Inoperative

  1. If lighting system diagnostic system check has been performed, go to next step. If lighting system diagnostic system check has not been performed, see LIGHTING SYSTEM DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - AZTEK article.
  2. Turn headlights on. Place headlight dimmer switch in high beam position. If high beam indicator does not illuminate, go to next step. If high beam indicator illuminates, concern may be intermittent. For aid in diagnosing intermittent problems, see PROBLEM DIAGNOSIS  under INTERMITTENTS.
  3. Check for poor, loose or corroded terminals at Instrument Panel Cluster (IPC) harness connector. If no problem exists, go to step next step. If problem exists, repair as necessary and go to step  5.
  4. Replace IPC. See INSTRUMENT PANEL CLUSTER  under REMOVAL & INSTALLATION. After repairs are made, go to next step.
  5. Operate system to verify repair. If system operates normally, testing is complete. If system does not operate normally, go to step  2.

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