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Home >> Hummer >> 2009 >> H3T Base, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel Displays And Gages >> Diagnostic Information and Procedures >> Charge Indicator Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, engine running, verify the scan tool Battery Voltage parameter is between 12.5 and 15.5 volts.
  2. Ignition ON, perform the display test with the scan tool. The charge indicator should turn ON and OFF when changing between the commanded states.
    • If the indicator does not turn ON and OFF between commanded states, replace the IPC.
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