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Home >> Pontiac >> 2009 >> Solstice Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 160 (Fixed And MOVEABLE Windows System) >> Diagnostic Information and Procedures >> Rear Window Defogger Malfunction >> Component Testing >> Defog Indicator

Defog Indicator

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X2 harness connector at the HVAC control module.
  2. Install a 5-amp fused jumper wire between control terminal A7 and 12 volts. Install a jumper wire between the ground terminal A5 and ground. Verify the defog Indicator illuminates.
    • If the defog indicator does not illuminate, replace the HVAC control module.
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