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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Stationary Window System) >> Diagnostic Information and Procedures >> Scan Tool Data Definitions >> HVAC Control Module
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HVAC Control Module

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Rear Defrost Switch

The scan tool displays On/Off. When the rear window defogger switch is pressed, the scan tool displays will momentarily display On.

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