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Home >> Saturn >> 2007 >> Aura Green Line >> Repair and Diagnosis >> Body & Frame >> Fixed And MOVEABLE Windows >> Diagnostic Information and Procedures >> Rear Window Defogger Inoperative (C60) >> Component Testing >> HVAC Control Module
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HVAC Control Module

  1. Ignition OFF, disconnect the harness connector at the HVAC control module.
  2. Test for infinite resistance between the signal terminal A8 and the ground circuit terminal B5 with the switch in the open position.
  3. Test for less than 2 ohms between the signal terminal A8 and the ground circuit terminal B5 with the switch in the closed position.
    • If not the specified value, replace the HVAC control module.
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