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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC - Automatic >> Diagnostic Information and Procedures >> Air Temperature Malfunction >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the harness connector at the appropriate temp sensor.
  2. Test for the appropriate resistance between the signal terminal A or 1 and the low reference terminal B or 2. Refer to Sensor Resistance Table  for resistance values.
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