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Home >> Hummer >> 2009 >> H3 Base, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel Displays And Gages >> Diagnostic Information and Procedures >> Engine Coolant Temperature Gage Inaccurate or Inoperative >> Circuit/System Verification

Circuit/System Verification

Ignition ON, perform the engine coolant gage sweep test with the scan tool. Verify that the engine coolant temperature gage sweeps from its low to high position.