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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays & Gauges >> Diagnostic Information and Procedures >> Driver Information Center (DIC) Inoperative >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the IPC.
  2. Ignition OFF, test for less than 1 ohm between the IPC ground circuit terminal 1 and ground.
    • If greater than the specified range, test the ground circuit terminal 1 for an open/high resistance.
  3. Ignition ON, verify that a test lamp illuminates when connected between the IPC battery positive voltage circuit terminal 12 and ground.
    • If the test lamp does not illuminate, test the battery positive voltage circuit for an open/high resistance. If the circuit tests normal, replace the IPC.
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