Scan Tool Output Controls
WARNING: This page is about a different car, the 2004 Buick Regal and 2004 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
HVAC Control Module Scan Tool Output Controls
| Scan Tool Output Control |
Additional Menu Selection(s) |
Description |
| Rear Defogger |
Miscellaneous Test |
The HVAC Control Module actuates the Rear Window Defogger relay. The rear window defogger grid should become warm. |